79810900

素因数分解:

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

素因数の和:158

約数の個数: 108

約数和(自身を含む): 195811252

約数和(自身を除く): 116000352

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 73, 100, 116, 130, 145, 146, 260, 290, 292, 325, 365, 377, 580, 650, 725, 730, 754, 841, 949, 1300, 1450, 1460, 1508, 1682, 1825, 1885, 1898, 2117, 2900, 3364, 3650, 3770, 3796, 4205, 4234, 4745, 7300, 7540, 8410, 8468, 9425, 9490, 10585, 10933, 16820, 18850, 18980, 21025, 21170, 21866, 23725, 27521, 37700, 42050, 42340, 43732, 47450, 52925, 54665, 55042, 61393, 84100, 94900, 105850, 109330, 110084, 122786, 137605, 211700, 218660, 245572, 273325, 275210, 306965, 546650, 550420, 613930, 688025, 798109, 1093300, 1227860, 1376050, 1534825, 1596218, 2752100, 3069650, 3192436, 3990545, 6139300, 7981090, 15962180, 19952725, 39905450, 79810900]

約数ペア:

[(1, 79810900), (2, 39905450), (4, 19952725), (5, 15962180), (10, 7981090), (13, 6139300), (20, 3990545), (25, 3192436), (26, 3069650), (29, 2752100), (50, 1596218), (52, 1534825), (58, 1376050), (65, 1227860), (73, 1093300), (100, 798109), (116, 688025), (130, 613930), (145, 550420), (146, 546650), (260, 306965), (290, 275210), (292, 273325), (325, 245572), (365, 218660), (377, 211700), (580, 137605), (650, 122786), (725, 110084), (730, 109330), (754, 105850), (841, 94900), (949, 84100), (1300, 61393), (1450, 55042), (1460, 54665), (1508, 52925), (1682, 47450), (1825, 43732), (1885, 42340), (1898, 42050), (2117, 37700), (2900, 27521), (3364, 23725), (3650, 21866), (3770, 21170), (3796, 21025), (4205, 18980), (4234, 18850), (4745, 16820), (7300, 10933), (7540, 10585), (8410, 9490), (8468, 9425)]