385967360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 974840832

約数和(自身を除く): 588873472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 137, 142, 155, 160, 248, 256, 274, 284, 310, 320, 355, 496, 548, 568, 620, 640, 685, 710, 992, 1096, 1136, 1240, 1280, 1370, 1420, 1984, 2192, 2201, 2272, 2480, 2740, 2840, 3968, 4247, 4384, 4402, 4544, 4960, 5480, 5680, 7936, 8494, 8768, 8804, 9088, 9727, 9920, 10960, 11005, 11360, 16988, 17536, 17608, 18176, 19454, 19840, 21235, 21920, 22010, 22720, 33976, 35072, 35216, 38908, 39680, 42470, 43840, 44020, 45440, 48635, 67952, 70432, 77816, 84940, 87680, 88040, 90880, 97270, 135904, 140864, 155632, 169880, 175360, 176080, 194540, 271808, 281728, 301537, 311264, 339760, 352160, 389080, 543616, 563456, 603074, 622528, 679520, 704320, 778160, 1087232, 1206148, 1245056, 1359040, 1408640, 1507685, 1556320, 2412296, 2490112, 2718080, 2817280, 3015370, 3112640, 4824592, 5436160, 6030740, 6225280, 9649184, 12061480, 12450560, 19298368, 24122960, 38596736, 48245920, 77193472, 96491840, 192983680, 385967360]

約数ペア:

[(1, 385967360), (2, 192983680), (4, 96491840), (5, 77193472), (8, 48245920), (10, 38596736), (16, 24122960), (20, 19298368), (31, 12450560), (32, 12061480), (40, 9649184), (62, 6225280), (64, 6030740), (71, 5436160), (80, 4824592), (124, 3112640), (128, 3015370), (137, 2817280), (142, 2718080), (155, 2490112), (160, 2412296), (248, 1556320), (256, 1507685), (274, 1408640), (284, 1359040), (310, 1245056), (320, 1206148), (355, 1087232), (496, 778160), (548, 704320), (568, 679520), (620, 622528), (640, 603074), (685, 563456), (710, 543616), (992, 389080), (1096, 352160), (1136, 339760), (1240, 311264), (1280, 301537), (1370, 281728), (1420, 271808), (1984, 194540), (2192, 176080), (2201, 175360), (2272, 169880), (2480, 155632), (2740, 140864), (2840, 135904), (3968, 97270), (4247, 90880), (4384, 88040), (4402, 87680), (4544, 84940), (4960, 77816), (5480, 70432), (5680, 67952), (7936, 48635), (8494, 45440), (8768, 44020), (8804, 43840), (9088, 42470), (9727, 39680), (9920, 38908), (10960, 35216), (11005, 35072), (11360, 33976), (16988, 22720), (17536, 22010), (17608, 21920), (18176, 21235), (19454, 19840)]