738556420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{2663}}^1$

素因数の和:2969

約数の個数: 72

約数和(自身を含む): 1811242944

約数和(自身を除く): 1072686524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 283, 490, 566, 980, 1132, 1415, 1981, 2663, 2830, 3962, 5326, 5660, 7924, 9905, 10652, 13315, 13867, 18641, 19810, 26630, 27734, 37282, 39620, 53260, 55468, 69335, 74564, 93205, 130487, 138670, 186410, 260974, 277340, 372820, 521948, 652435, 753629, 1304870, 1507258, 2609740, 3014516, 3768145, 5275403, 7536290, 10550806, 15072580, 21101612, 26377015, 36927821, 52754030, 73855642, 105508060, 147711284, 184639105, 369278210, 738556420]

約数ペア:

[(1, 738556420), (2, 369278210), (4, 184639105), (5, 147711284), (7, 105508060), (10, 73855642), (14, 52754030), (20, 36927821), (28, 26377015), (35, 21101612), (49, 15072580), (70, 10550806), (98, 7536290), (140, 5275403), (196, 3768145), (245, 3014516), (283, 2609740), (490, 1507258), (566, 1304870), (980, 753629), (1132, 652435), (1415, 521948), (1981, 372820), (2663, 277340), (2830, 260974), (3962, 186410), (5326, 138670), (5660, 130487), (7924, 93205), (9905, 74564), (10652, 69335), (13315, 55468), (13867, 53260), (18641, 39620), (19810, 37282), (26630, 27734)]