395054080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 176

約数和(自身を含む): 1037583360

約数和(自身を除く): 642529280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 131, 152, 155, 160, 190, 248, 256, 262, 304, 310, 320, 380, 496, 512, 524, 589, 608, 620, 640, 655, 760, 992, 1024, 1048, 1178, 1216, 1240, 1280, 1310, 1520, 1984, 2096, 2356, 2432, 2480, 2489, 2560, 2620, 2945, 3040, 3968, 4061, 4192, 4712, 4864, 4960, 4978, 5120, 5240, 5890, 6080, 7936, 8122, 8384, 9424, 9728, 9920, 9956, 10480, 11780, 12160, 12445, 15872, 16244, 16768, 18848, 19456, 19840, 19912, 20305, 20960, 23560, 24320, 24890, 31744, 32488, 33536, 37696, 39680, 39824, 40610, 41920, 47120, 48640, 49780, 64976, 67072, 75392, 77159, 79360, 79648, 81220, 83840, 94240, 97280, 99560, 129952, 134144, 150784, 154318, 158720, 159296, 162440, 167680, 188480, 199120, 259904, 301568, 308636, 318592, 324880, 335360, 376960, 385795, 398240, 519808, 603136, 617272, 637184, 649760, 670720, 753920, 771590, 796480, 1039616, 1234544, 1274368, 1299520, 1507840, 1543180, 1592960, 2079232, 2469088, 2548736, 2599040, 3015680, 3086360, 3185920, 4158464, 4938176, 5198080, 6172720, 6371840, 9876352, 10396160, 12345440, 12743680, 19752704, 20792320, 24690880, 39505408, 49381760, 79010816, 98763520, 197527040, 395054080]

約数ペア:

[(1, 395054080), (2, 197527040), (4, 98763520), (5, 79010816), (8, 49381760), (10, 39505408), (16, 24690880), (19, 20792320), (20, 19752704), (31, 12743680), (32, 12345440), (38, 10396160), (40, 9876352), (62, 6371840), (64, 6172720), (76, 5198080), (80, 4938176), (95, 4158464), (124, 3185920), (128, 3086360), (131, 3015680), (152, 2599040), (155, 2548736), (160, 2469088), (190, 2079232), (248, 1592960), (256, 1543180), (262, 1507840), (304, 1299520), (310, 1274368), (320, 1234544), (380, 1039616), (496, 796480), (512, 771590), (524, 753920), (589, 670720), (608, 649760), (620, 637184), (640, 617272), (655, 603136), (760, 519808), (992, 398240), (1024, 385795), (1048, 376960), (1178, 335360), (1216, 324880), (1240, 318592), (1280, 308636), (1310, 301568), (1520, 259904), (1984, 199120), (2096, 188480), (2356, 167680), (2432, 162440), (2480, 159296), (2489, 158720), (2560, 154318), (2620, 150784), (2945, 134144), (3040, 129952), (3968, 99560), (4061, 97280), (4192, 94240), (4712, 83840), (4864, 81220), (4960, 79648), (4978, 79360), (5120, 77159), (5240, 75392), (5890, 67072), (6080, 64976), (7936, 49780), (8122, 48640), (8384, 47120), (9424, 41920), (9728, 40610), (9920, 39824), (9956, 39680), (10480, 37696), (11780, 33536), (12160, 32488), (12445, 31744), (15872, 24890), (16244, 24320), (16768, 23560), (18848, 20960), (19456, 20305), (19840, 19912)]