1855804540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 4168946880

約数和(自身を除く): 2313142340

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 73, 106, 116, 145, 146, 212, 265, 290, 292, 365, 530, 580, 730, 827, 1060, 1460, 1537, 1654, 2117, 3074, 3308, 3869, 4135, 4234, 6148, 7685, 7738, 8270, 8468, 10585, 15370, 15476, 16540, 19345, 21170, 23983, 30740, 38690, 42340, 43831, 47966, 60371, 77380, 87662, 95932, 112201, 119915, 120742, 175324, 219155, 224402, 239830, 241484, 301855, 438310, 448804, 479660, 561005, 603710, 876620, 1122010, 1207420, 1271099, 1750759, 2244020, 2542198, 3199663, 3501518, 5084396, 6355495, 6399326, 7003036, 8753795, 12710990, 12798652, 15998315, 17507590, 25421980, 31996630, 35015180, 63993260, 92790227, 185580454, 371160908, 463951135, 927902270, 1855804540]

約数ペア:

[(1, 1855804540), (2, 927902270), (4, 463951135), (5, 371160908), (10, 185580454), (20, 92790227), (29, 63993260), (53, 35015180), (58, 31996630), (73, 25421980), (106, 17507590), (116, 15998315), (145, 12798652), (146, 12710990), (212, 8753795), (265, 7003036), (290, 6399326), (292, 6355495), (365, 5084396), (530, 3501518), (580, 3199663), (730, 2542198), (827, 2244020), (1060, 1750759), (1460, 1271099), (1537, 1207420), (1654, 1122010), (2117, 876620), (3074, 603710), (3308, 561005), (3869, 479660), (4135, 448804), (4234, 438310), (6148, 301855), (7685, 241484), (7738, 239830), (8270, 224402), (8468, 219155), (10585, 175324), (15370, 120742), (15476, 119915), (16540, 112201), (19345, 95932), (21170, 87662), (23983, 77380), (30740, 60371), (38690, 47966), (42340, 43831)]