77143640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{39359}}^1$

素因数の和:39384

約数の個数: 48

約数和(自身を含む): 201916800

約数和(自身を除く): 124773160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 39359, 78718, 157436, 196795, 275513, 314872, 393590, 551026, 787180, 1102052, 1377565, 1574360, 1928591, 2204104, 2755130, 3857182, 5510260, 7714364, 9642955, 11020520, 15428728, 19285910, 38571820, 77143640]

約数ペア:

[(1, 77143640), (2, 38571820), (4, 19285910), (5, 15428728), (7, 11020520), (8, 9642955), (10, 7714364), (14, 5510260), (20, 3857182), (28, 2755130), (35, 2204104), (40, 1928591), (49, 1574360), (56, 1377565), (70, 1102052), (98, 787180), (140, 551026), (196, 393590), (245, 314872), (280, 275513), (392, 196795), (490, 157436), (980, 78718), (1960, 39359)]