71321000

素因数分解:

$2^3\times 5^3\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 169350480

約数和(自身を除く): 98029480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 125, 146, 200, 250, 292, 365, 500, 584, 730, 977, 1000, 1460, 1825, 1954, 2920, 3650, 3908, 4885, 7300, 7816, 9125, 9770, 14600, 18250, 19540, 24425, 36500, 39080, 48850, 71321, 73000, 97700, 122125, 142642, 195400, 244250, 285284, 356605, 488500, 570568, 713210, 977000, 1426420, 1783025, 2852840, 3566050, 7132100, 8915125, 14264200, 17830250, 35660500, 71321000]

約数ペア:

[(1, 71321000), (2, 35660500), (4, 17830250), (5, 14264200), (8, 8915125), (10, 7132100), (20, 3566050), (25, 2852840), (40, 1783025), (50, 1426420), (73, 977000), (100, 713210), (125, 570568), (146, 488500), (200, 356605), (250, 285284), (292, 244250), (365, 195400), (500, 142642), (584, 122125), (730, 97700), (977, 73000), (1000, 71321), (1460, 48850), (1825, 39080), (1954, 36500), (2920, 24425), (3650, 19540), (3908, 18250), (4885, 14600), (7300, 9770), (7816, 9125)]