7788894680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1747}}^1\times {\mathrm{15923}}^1$

素因数の和:17688

約数の個数: 64

約数和(自身を含む): 20041309440

約数和(自身を除く): 12252414760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1747, 3494, 6988, 8735, 12229, 13976, 15923, 17470, 24458, 31846, 34940, 48916, 61145, 63692, 69880, 79615, 97832, 111461, 122290, 127384, 159230, 222922, 244580, 318460, 445844, 489160, 557305, 636920, 891688, 1114610, 2229220, 4458440, 27817481, 55634962, 111269924, 139087405, 194722367, 222539848, 278174810, 389444734, 556349620, 778889468, 973611835, 1112699240, 1557778936, 1947223670, 3894447340, 7788894680]

約数ペア:

[(1, 7788894680), (2, 3894447340), (4, 1947223670), (5, 1557778936), (7, 1112699240), (8, 973611835), (10, 778889468), (14, 556349620), (20, 389444734), (28, 278174810), (35, 222539848), (40, 194722367), (56, 139087405), (70, 111269924), (140, 55634962), (280, 27817481), (1747, 4458440), (3494, 2229220), (6988, 1114610), (8735, 891688), (12229, 636920), (13976, 557305), (15923, 489160), (17470, 445844), (24458, 318460), (31846, 244580), (34940, 222922), (48916, 159230), (61145, 127384), (63692, 122290), (69880, 111461), (79615, 97832)]