75627500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 90

約数和(自身を含む): 180082980

約数和(自身を除く): 104455480

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 179, 250, 260, 325, 338, 358, 500, 625, 650, 676, 716, 845, 895, 1250, 1300, 1625, 1690, 1790, 2327, 2500, 3250, 3380, 3580, 4225, 4475, 4654, 6500, 8125, 8450, 8950, 9308, 11635, 16250, 16900, 17900, 21125, 22375, 23270, 30251, 32500, 42250, 44750, 46540, 58175, 60502, 84500, 89500, 105625, 111875, 116350, 121004, 151255, 211250, 223750, 232700, 290875, 302510, 422500, 447500, 581750, 605020, 756275, 1163500, 1454375, 1512550, 2908750, 3025100, 3781375, 5817500, 7562750, 15125500, 18906875, 37813750, 75627500]

約数ペア:

[(1, 75627500), (2, 37813750), (4, 18906875), (5, 15125500), (10, 7562750), (13, 5817500), (20, 3781375), (25, 3025100), (26, 2908750), (50, 1512550), (52, 1454375), (65, 1163500), (100, 756275), (125, 605020), (130, 581750), (169, 447500), (179, 422500), (250, 302510), (260, 290875), (325, 232700), (338, 223750), (358, 211250), (500, 151255), (625, 121004), (650, 116350), (676, 111875), (716, 105625), (845, 89500), (895, 84500), (1250, 60502), (1300, 58175), (1625, 46540), (1690, 44750), (1790, 42250), (2327, 32500), (2500, 30251), (3250, 23270), (3380, 22375), (3580, 21125), (4225, 17900), (4475, 16900), (4654, 16250), (6500, 11635), (8125, 9308), (8450, 8950)]