89478740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 212502528

約数和(自身を除く): 123023788

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 460, 598, 676, 845, 1151, 1196, 1495, 1690, 2302, 2990, 3380, 3887, 4604, 5755, 5980, 7774, 11510, 14963, 15548, 19435, 23020, 26473, 29926, 38870, 52946, 59852, 74815, 77740, 105892, 132365, 149630, 194519, 264730, 299260, 344149, 389038, 529460, 688298, 778076, 972595, 1376596, 1720745, 1945190, 3441490, 3890380, 4473937, 6882980, 8947874, 17895748, 22369685, 44739370, 89478740]

約数ペア:

[(1, 89478740), (2, 44739370), (4, 22369685), (5, 17895748), (10, 8947874), (13, 6882980), (20, 4473937), (23, 3890380), (26, 3441490), (46, 1945190), (52, 1720745), (65, 1376596), (92, 972595), (115, 778076), (130, 688298), (169, 529460), (230, 389038), (260, 344149), (299, 299260), (338, 264730), (460, 194519), (598, 149630), (676, 132365), (845, 105892), (1151, 77740), (1196, 74815), (1495, 59852), (1690, 52946), (2302, 38870), (2990, 29926), (3380, 26473), (3887, 23020), (4604, 19435), (5755, 15548), (5980, 14963), (7774, 11510)]