256444710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:714

約数の個数: 128

約数和(自身を含む): 698941440

約数和(自身を除く): 442496730

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 31, 38, 46, 57, 62, 69, 93, 95, 114, 115, 138, 155, 186, 190, 230, 285, 310, 345, 437, 465, 570, 589, 631, 690, 713, 874, 930, 1178, 1262, 1311, 1426, 1767, 1893, 2139, 2185, 2622, 2945, 3155, 3534, 3565, 3786, 4278, 4370, 5890, 6310, 6555, 7130, 8835, 9465, 10695, 11989, 13110, 13547, 14513, 17670, 18930, 19561, 21390, 23978, 27094, 29026, 35967, 39122, 40641, 43539, 58683, 59945, 67735, 71934, 72565, 81282, 87078, 97805, 117366, 119890, 135470, 145130, 179835, 195610, 203205, 217695, 275747, 293415, 359670, 371659, 406410, 435390, 449903, 551494, 586830, 743318, 827241, 899806, 1114977, 1349709, 1378735, 1654482, 1858295, 2229954, 2249515, 2699418, 2757470, 3716590, 4136205, 4499030, 5574885, 6748545, 8272410, 8548157, 11149770, 13497090, 17096314, 25644471, 42740785, 51288942, 85481570, 128222355, 256444710]

約数ペア:

[(1, 256444710), (2, 128222355), (3, 85481570), (5, 51288942), (6, 42740785), (10, 25644471), (15, 17096314), (19, 13497090), (23, 11149770), (30, 8548157), (31, 8272410), (38, 6748545), (46, 5574885), (57, 4499030), (62, 4136205), (69, 3716590), (93, 2757470), (95, 2699418), (114, 2249515), (115, 2229954), (138, 1858295), (155, 1654482), (186, 1378735), (190, 1349709), (230, 1114977), (285, 899806), (310, 827241), (345, 743318), (437, 586830), (465, 551494), (570, 449903), (589, 435390), (631, 406410), (690, 371659), (713, 359670), (874, 293415), (930, 275747), (1178, 217695), (1262, 203205), (1311, 195610), (1426, 179835), (1767, 145130), (1893, 135470), (2139, 119890), (2185, 117366), (2622, 97805), (2945, 87078), (3155, 81282), (3534, 72565), (3565, 71934), (3786, 67735), (4278, 59945), (4370, 58683), (5890, 43539), (6310, 40641), (6555, 39122), (7130, 35967), (8835, 29026), (9465, 27094), (10695, 23978), (11989, 21390), (13110, 19561), (13547, 18930), (14513, 17670)]