68802500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 169914360

約数和(自身を除く): 101111860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 73, 100, 116, 125, 130, 145, 146, 250, 260, 290, 292, 325, 365, 377, 500, 580, 625, 650, 725, 730, 754, 949, 1250, 1300, 1450, 1460, 1508, 1625, 1825, 1885, 1898, 2117, 2500, 2900, 3250, 3625, 3650, 3770, 3796, 4234, 4745, 6500, 7250, 7300, 7540, 8125, 8468, 9125, 9425, 9490, 10585, 14500, 16250, 18125, 18250, 18850, 18980, 21170, 23725, 27521, 32500, 36250, 36500, 37700, 42340, 45625, 47125, 47450, 52925, 55042, 72500, 91250, 94250, 94900, 105850, 110084, 118625, 137605, 182500, 188500, 211700, 235625, 237250, 264625, 275210, 471250, 474500, 529250, 550420, 593125, 688025, 942500, 1058500, 1186250, 1323125, 1376050, 2372500, 2646250, 2752100, 3440125, 5292500, 6880250, 13760500, 17200625, 34401250, 68802500]

約数ペア:

[(1, 68802500), (2, 34401250), (4, 17200625), (5, 13760500), (10, 6880250), (13, 5292500), (20, 3440125), (25, 2752100), (26, 2646250), (29, 2372500), (50, 1376050), (52, 1323125), (58, 1186250), (65, 1058500), (73, 942500), (100, 688025), (116, 593125), (125, 550420), (130, 529250), (145, 474500), (146, 471250), (250, 275210), (260, 264625), (290, 237250), (292, 235625), (325, 211700), (365, 188500), (377, 182500), (500, 137605), (580, 118625), (625, 110084), (650, 105850), (725, 94900), (730, 94250), (754, 91250), (949, 72500), (1250, 55042), (1300, 52925), (1450, 47450), (1460, 47125), (1508, 45625), (1625, 42340), (1825, 37700), (1885, 36500), (1898, 36250), (2117, 32500), (2500, 27521), (2900, 23725), (3250, 21170), (3625, 18980), (3650, 18850), (3770, 18250), (3796, 18125), (4234, 16250), (4745, 14500), (6500, 10585), (7250, 9490), (7300, 9425), (7540, 9125), (8125, 8468)]