3780980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 9192960

約数和(自身を除く): 5411980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 239, 452, 478, 565, 791, 956, 1130, 1195, 1582, 1673, 2260, 2390, 3164, 3346, 3955, 4780, 6692, 7910, 8365, 15820, 16730, 27007, 33460, 54014, 108028, 135035, 189049, 270070, 378098, 540140, 756196, 945245, 1890490, 3780980]

約数ペア:

[(1, 3780980), (2, 1890490), (4, 945245), (5, 756196), (7, 540140), (10, 378098), (14, 270070), (20, 189049), (28, 135035), (35, 108028), (70, 54014), (113, 33460), (140, 27007), (226, 16730), (239, 15820), (452, 8365), (478, 7910), (565, 6692), (791, 4780), (956, 3955), (1130, 3346), (1195, 3164), (1582, 2390), (1673, 2260)]