252495880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1079

約数の個数: 128

約数和(自身を含む): 709793280

約数和(自身を除く): 457297400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 710, 728, 910, 923, 977, 994, 1420, 1820, 1846, 1954, 1988, 2485, 2840, 3640, 3692, 3908, 3976, 4615, 4885, 4970, 6461, 6839, 7384, 7816, 9230, 9770, 9940, 12701, 12922, 13678, 18460, 19540, 19880, 25402, 25844, 27356, 32305, 34195, 36920, 39080, 50804, 51688, 54712, 63505, 64610, 68390, 69367, 88907, 101608, 127010, 129220, 136780, 138734, 177814, 254020, 258440, 273560, 277468, 346835, 355628, 444535, 485569, 508040, 554936, 693670, 711256, 889070, 901771, 971138, 1387340, 1778140, 1803542, 1942276, 2427845, 2774680, 3556280, 3607084, 3884552, 4508855, 4855690, 6312397, 7214168, 9017710, 9711380, 12624794, 18035420, 19422760, 25249588, 31561985, 36070840, 50499176, 63123970, 126247940, 252495880]

約数ペア:

[(1, 252495880), (2, 126247940), (4, 63123970), (5, 50499176), (7, 36070840), (8, 31561985), (10, 25249588), (13, 19422760), (14, 18035420), (20, 12624794), (26, 9711380), (28, 9017710), (35, 7214168), (40, 6312397), (52, 4855690), (56, 4508855), (65, 3884552), (70, 3607084), (71, 3556280), (91, 2774680), (104, 2427845), (130, 1942276), (140, 1803542), (142, 1778140), (182, 1387340), (260, 971138), (280, 901771), (284, 889070), (355, 711256), (364, 693670), (455, 554936), (497, 508040), (520, 485569), (568, 444535), (710, 355628), (728, 346835), (910, 277468), (923, 273560), (977, 258440), (994, 254020), (1420, 177814), (1820, 138734), (1846, 136780), (1954, 129220), (1988, 127010), (2485, 101608), (2840, 88907), (3640, 69367), (3692, 68390), (3908, 64610), (3976, 63505), (4615, 54712), (4885, 51688), (4970, 50804), (6461, 39080), (6839, 36920), (7384, 34195), (7816, 32305), (9230, 27356), (9770, 25844), (9940, 25402), (12701, 19880), (12922, 19540), (13678, 18460)]