42740208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 138309600

約数和(自身を除く): 95569392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 109, 112, 126, 144, 168, 218, 252, 327, 336, 389, 436, 504, 654, 763, 778, 872, 981, 1008, 1167, 1308, 1526, 1556, 1744, 1962, 2289, 2334, 2616, 2723, 3052, 3112, 3501, 3924, 4578, 4668, 5232, 5446, 6104, 6224, 6867, 7002, 7848, 8169, 9156, 9336, 10892, 12208, 13734, 14004, 15696, 16338, 18312, 18672, 21784, 24507, 27468, 28008, 32676, 36624, 42401, 43568, 49014, 54936, 56016, 65352, 84802, 98028, 109872, 127203, 130704, 169604, 196056, 254406, 296807, 339208, 381609, 392112, 508812, 593614, 678416, 763218, 890421, 1017624, 1187228, 1526436, 1780842, 2035248, 2374456, 2671263, 3052872, 3561684, 4748912, 5342526, 6105744, 7123368, 10685052, 14246736, 21370104, 42740208]

約数ペア:

[(1, 42740208), (2, 21370104), (3, 14246736), (4, 10685052), (6, 7123368), (7, 6105744), (8, 5342526), (9, 4748912), (12, 3561684), (14, 3052872), (16, 2671263), (18, 2374456), (21, 2035248), (24, 1780842), (28, 1526436), (36, 1187228), (42, 1017624), (48, 890421), (56, 763218), (63, 678416), (72, 593614), (84, 508812), (109, 392112), (112, 381609), (126, 339208), (144, 296807), (168, 254406), (218, 196056), (252, 169604), (327, 130704), (336, 127203), (389, 109872), (436, 98028), (504, 84802), (654, 65352), (763, 56016), (778, 54936), (872, 49014), (981, 43568), (1008, 42401), (1167, 36624), (1308, 32676), (1526, 28008), (1556, 27468), (1744, 24507), (1962, 21784), (2289, 18672), (2334, 18312), (2616, 16338), (2723, 15696), (3052, 14004), (3112, 13734), (3501, 12208), (3924, 10892), (4578, 9336), (4668, 9156), (5232, 8169), (5446, 7848), (6104, 7002), (6224, 6867)]