2489999360

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 224

約数和(自身を含む): 6454639872

約数和(自身を除く): 3964640512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 53, 62, 64, 74, 80, 106, 124, 128, 148, 155, 160, 185, 212, 248, 256, 265, 296, 310, 320, 370, 424, 496, 512, 530, 592, 620, 640, 740, 848, 992, 1024, 1060, 1147, 1184, 1240, 1280, 1480, 1643, 1696, 1961, 1984, 2048, 2120, 2294, 2368, 2480, 2560, 2960, 3286, 3392, 3922, 3968, 4096, 4240, 4588, 4736, 4960, 5120, 5735, 5920, 6572, 6784, 7844, 7936, 8192, 8215, 8480, 9176, 9472, 9805, 9920, 10240, 11470, 11840, 13144, 13568, 15688, 15872, 16430, 16960, 18352, 18944, 19610, 19840, 20480, 22940, 23680, 26288, 27136, 31376, 31744, 32860, 33920, 36704, 37888, 39220, 39680, 40960, 45880, 47360, 52576, 54272, 60791, 62752, 63488, 65720, 67840, 73408, 75776, 78440, 79360, 91760, 94720, 105152, 108544, 121582, 125504, 126976, 131440, 135680, 146816, 151552, 156880, 158720, 183520, 189440, 210304, 217088, 243164, 251008, 253952, 262880, 271360, 293632, 303104, 303955, 313760, 317440, 367040, 378880, 420608, 434176, 486328, 502016, 525760, 542720, 587264, 607910, 627520, 634880, 734080, 757760, 841216, 972656, 1004032, 1051520, 1085440, 1174528, 1215820, 1255040, 1269760, 1468160, 1515520, 1682432, 1945312, 2008064, 2103040, 2170880, 2349056, 2431640, 2510080, 2936320, 3364864, 3890624, 4016128, 4206080, 4698112, 4863280, 5020160, 5872640, 6729728, 7781248, 8032256, 8412160, 9396224, 9726560, 10040320, 11745280, 13459456, 15562496, 16064512, 16824320, 19453120, 20080640, 23490560, 31124992, 33648640, 38906240, 40161280, 46981120, 62249984, 67297280, 77812480, 80322560, 124499968, 155624960, 248999936, 311249920, 497999872, 622499840, 1244999680, 2489999360]

約数ペア:

[(1, 2489999360), (2, 1244999680), (4, 622499840), (5, 497999872), (8, 311249920), (10, 248999936), (16, 155624960), (20, 124499968), (31, 80322560), (32, 77812480), (37, 67297280), (40, 62249984), (53, 46981120), (62, 40161280), (64, 38906240), (74, 33648640), (80, 31124992), (106, 23490560), (124, 20080640), (128, 19453120), (148, 16824320), (155, 16064512), (160, 15562496), (185, 13459456), (212, 11745280), (248, 10040320), (256, 9726560), (265, 9396224), (296, 8412160), (310, 8032256), (320, 7781248), (370, 6729728), (424, 5872640), (496, 5020160), (512, 4863280), (530, 4698112), (592, 4206080), (620, 4016128), (640, 3890624), (740, 3364864), (848, 2936320), (992, 2510080), (1024, 2431640), (1060, 2349056), (1147, 2170880), (1184, 2103040), (1240, 2008064), (1280, 1945312), (1480, 1682432), (1643, 1515520), (1696, 1468160), (1961, 1269760), (1984, 1255040), (2048, 1215820), (2120, 1174528), (2294, 1085440), (2368, 1051520), (2480, 1004032), (2560, 972656), (2960, 841216), (3286, 757760), (3392, 734080), (3922, 634880), (3968, 627520), (4096, 607910), (4240, 587264), (4588, 542720), (4736, 525760), (4960, 502016), (5120, 486328), (5735, 434176), (5920, 420608), (6572, 378880), (6784, 367040), (7844, 317440), (7936, 313760), (8192, 303955), (8215, 303104), (8480, 293632), (9176, 271360), (9472, 262880), (9805, 253952), (9920, 251008), (10240, 243164), (11470, 217088), (11840, 210304), (13144, 189440), (13568, 183520), (15688, 158720), (15872, 156880), (16430, 151552), (16960, 146816), (18352, 135680), (18944, 131440), (19610, 126976), (19840, 125504), (20480, 121582), (22940, 108544), (23680, 105152), (26288, 94720), (27136, 91760), (31376, 79360), (31744, 78440), (32860, 75776), (33920, 73408), (36704, 67840), (37888, 65720), (39220, 63488), (39680, 62752), (40960, 60791), (45880, 54272), (47360, 52576)]