42809490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3631}}^1$

素因数の和:3775

約数の個数: 48

約数和(自身を含む): 112185216

約数和(自身を除く): 69375726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3631, 3930, 5895, 7262, 10893, 11790, 18155, 21786, 32679, 36310, 54465, 65358, 108930, 163395, 326790, 475661, 951322, 1426983, 2378305, 2853966, 4280949, 4756610, 7134915, 8561898, 14269830, 21404745, 42809490]

約数ペア:

[(1, 42809490), (2, 21404745), (3, 14269830), (5, 8561898), (6, 7134915), (9, 4756610), (10, 4280949), (15, 2853966), (18, 2378305), (30, 1426983), (45, 951322), (90, 475661), (131, 326790), (262, 163395), (393, 108930), (655, 65358), (786, 54465), (1179, 36310), (1310, 32679), (1965, 21786), (2358, 18155), (3631, 11790), (3930, 10893), (5895, 7262)]