128389910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1709

約数の個数: 64

約数和(自身を含む): 271724544

約数和(自身を除く): 143334634

約数列:

[1, 2, 5, 10, 11, 22, 23, 31, 46, 55, 62, 110, 115, 155, 230, 253, 310, 341, 506, 682, 713, 1265, 1426, 1637, 1705, 2530, 3274, 3410, 3565, 7130, 7843, 8185, 15686, 16370, 18007, 36014, 37651, 39215, 50747, 75302, 78430, 90035, 101494, 180070, 188255, 253735, 376510, 414161, 507470, 558217, 828322, 1116434, 1167181, 2070805, 2334362, 2791085, 4141610, 5582170, 5835905, 11671810, 12838991, 25677982, 64194955, 128389910]

約数ペア:

[(1, 128389910), (2, 64194955), (5, 25677982), (10, 12838991), (11, 11671810), (22, 5835905), (23, 5582170), (31, 4141610), (46, 2791085), (55, 2334362), (62, 2070805), (110, 1167181), (115, 1116434), (155, 828322), (230, 558217), (253, 507470), (310, 414161), (341, 376510), (506, 253735), (682, 188255), (713, 180070), (1265, 101494), (1426, 90035), (1637, 78430), (1705, 75302), (2530, 50747), (3274, 39215), (3410, 37651), (3565, 36014), (7130, 18007), (7843, 16370), (8185, 15686)]