1283316860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{2351}}^1$

素因数の和:2931

約数の個数: 72

約数和(自身を含む): 3141923904

約数和(自身を除く): 1858607044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 557, 980, 1114, 2228, 2351, 2785, 3899, 4702, 5570, 7798, 9404, 11140, 11755, 15596, 16457, 19495, 23510, 27293, 32914, 38990, 47020, 54586, 65828, 77980, 82285, 109172, 115199, 136465, 164570, 230398, 272930, 329140, 460796, 545860, 575995, 1151990, 1309507, 2303980, 2619014, 5238028, 6547535, 9166549, 13095070, 18333098, 26190140, 36666196, 45832745, 64165843, 91665490, 128331686, 183330980, 256663372, 320829215, 641658430, 1283316860]

約数ペア:

[(1, 1283316860), (2, 641658430), (4, 320829215), (5, 256663372), (7, 183330980), (10, 128331686), (14, 91665490), (20, 64165843), (28, 45832745), (35, 36666196), (49, 26190140), (70, 18333098), (98, 13095070), (140, 9166549), (196, 6547535), (245, 5238028), (490, 2619014), (557, 2303980), (980, 1309507), (1114, 1151990), (2228, 575995), (2351, 545860), (2785, 460796), (3899, 329140), (4702, 272930), (5570, 230398), (7798, 164570), (9404, 136465), (11140, 115199), (11755, 109172), (15596, 82285), (16457, 77980), (19495, 65828), (23510, 54586), (27293, 47020), (32914, 38990)]