1330348040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{678749}}^1$

素因数の和:678774

約数の個数: 48

約数和(自身を含む): 3481987500

約数和(自身を除く): 2151639460

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, 678749, 1357498, 2714996, 3393745, 4751243, 5429992, 6787490, 9502486, 13574980, 19004972, 23756215, 27149960, 33258701, 38009944, 47512430, 66517402, 95024860, 133034804, 166293505, 190049720, 266069608, 332587010, 665174020, 1330348040]

約数ペア:

[(1, 1330348040), (2, 665174020), (4, 332587010), (5, 266069608), (7, 190049720), (8, 166293505), (10, 133034804), (14, 95024860), (20, 66517402), (28, 47512430), (35, 38009944), (40, 33258701), (49, 27149960), (56, 23756215), (70, 19004972), (98, 13574980), (140, 9502486), (196, 6787490), (245, 5429992), (280, 4751243), (392, 3393745), (490, 2714996), (980, 1357498), (1960, 678749)]