290179840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 734662656

約数和(自身を除く): 444482816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 103, 124, 128, 142, 155, 160, 206, 248, 256, 284, 310, 320, 355, 412, 496, 515, 568, 620, 640, 710, 824, 992, 1030, 1136, 1240, 1280, 1420, 1648, 1984, 2060, 2201, 2272, 2480, 2840, 3193, 3296, 3968, 4120, 4402, 4544, 4960, 5680, 6386, 6592, 7313, 7936, 8240, 8804, 9088, 9920, 11005, 11360, 12772, 13184, 14626, 15965, 16480, 17608, 18176, 19840, 22010, 22720, 25544, 26368, 29252, 31930, 32960, 35216, 36565, 39680, 44020, 45440, 51088, 58504, 63860, 65920, 70432, 73130, 88040, 90880, 102176, 117008, 127720, 131840, 140864, 146260, 176080, 204352, 226703, 234016, 255440, 281728, 292520, 352160, 408704, 453406, 468032, 510880, 563456, 585040, 704320, 817408, 906812, 936064, 1021760, 1133515, 1170080, 1408640, 1813624, 1872128, 2043520, 2267030, 2340160, 2817280, 3627248, 4087040, 4534060, 4680320, 7254496, 9068120, 9360640, 14508992, 18136240, 29017984, 36272480, 58035968, 72544960, 145089920, 290179840]

約数ペア:

[(1, 290179840), (2, 145089920), (4, 72544960), (5, 58035968), (8, 36272480), (10, 29017984), (16, 18136240), (20, 14508992), (31, 9360640), (32, 9068120), (40, 7254496), (62, 4680320), (64, 4534060), (71, 4087040), (80, 3627248), (103, 2817280), (124, 2340160), (128, 2267030), (142, 2043520), (155, 1872128), (160, 1813624), (206, 1408640), (248, 1170080), (256, 1133515), (284, 1021760), (310, 936064), (320, 906812), (355, 817408), (412, 704320), (496, 585040), (515, 563456), (568, 510880), (620, 468032), (640, 453406), (710, 408704), (824, 352160), (992, 292520), (1030, 281728), (1136, 255440), (1240, 234016), (1280, 226703), (1420, 204352), (1648, 176080), (1984, 146260), (2060, 140864), (2201, 131840), (2272, 127720), (2480, 117008), (2840, 102176), (3193, 90880), (3296, 88040), (3968, 73130), (4120, 70432), (4402, 65920), (4544, 63860), (4960, 58504), (5680, 51088), (6386, 45440), (6592, 44020), (7313, 39680), (7936, 36565), (8240, 35216), (8804, 32960), (9088, 31930), (9920, 29252), (11005, 26368), (11360, 25544), (12772, 22720), (13184, 22010), (14626, 19840), (15965, 18176), (16480, 17608)]