1973944840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3203}}^1$

素因数の和:3323

約数の個数: 128

約数和(自身を含む): 5315051520

約数和(自身を除く): 3341106680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 140, 142, 155, 217, 248, 280, 284, 310, 355, 434, 497, 568, 620, 710, 868, 994, 1085, 1240, 1420, 1736, 1988, 2170, 2201, 2485, 2840, 3203, 3976, 4340, 4402, 4970, 6406, 8680, 8804, 9940, 11005, 12812, 15407, 16015, 17608, 19880, 22010, 22421, 25624, 30814, 32030, 44020, 44842, 61628, 64060, 77035, 88040, 89684, 99293, 112105, 123256, 128120, 154070, 179368, 198586, 224210, 227413, 308140, 397172, 448420, 454826, 496465, 616280, 695051, 794344, 896840, 909652, 992930, 1137065, 1390102, 1591891, 1819304, 1985860, 2274130, 2780204, 3183782, 3475255, 3971720, 4548260, 5560408, 6367564, 6950510, 7049803, 7959455, 9096520, 12735128, 13901020, 14099606, 15918910, 27802040, 28199212, 31837820, 35249015, 49348621, 56398424, 63675640, 70498030, 98697242, 140996060, 197394484, 246743105, 281992120, 394788968, 493486210, 986972420, 1973944840]

約数ペア:

[(1, 1973944840), (2, 986972420), (4, 493486210), (5, 394788968), (7, 281992120), (8, 246743105), (10, 197394484), (14, 140996060), (20, 98697242), (28, 70498030), (31, 63675640), (35, 56398424), (40, 49348621), (56, 35249015), (62, 31837820), (70, 28199212), (71, 27802040), (124, 15918910), (140, 14099606), (142, 13901020), (155, 12735128), (217, 9096520), (248, 7959455), (280, 7049803), (284, 6950510), (310, 6367564), (355, 5560408), (434, 4548260), (497, 3971720), (568, 3475255), (620, 3183782), (710, 2780204), (868, 2274130), (994, 1985860), (1085, 1819304), (1240, 1591891), (1420, 1390102), (1736, 1137065), (1988, 992930), (2170, 909652), (2201, 896840), (2485, 794344), (2840, 695051), (3203, 616280), (3976, 496465), (4340, 454826), (4402, 448420), (4970, 397172), (6406, 308140), (8680, 227413), (8804, 224210), (9940, 198586), (11005, 179368), (12812, 154070), (15407, 128120), (16015, 123256), (17608, 112105), (19880, 99293), (22010, 89684), (22421, 88040), (25624, 77035), (30814, 64060), (32030, 61628), (44020, 44842)]