1358980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 3459456

約数和(自身を除く): 2100476

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 571, 595, 1142, 1190, 2284, 2380, 2855, 3997, 5710, 7994, 9707, 11420, 15988, 19414, 19985, 38828, 39970, 48535, 67949, 79940, 97070, 135898, 194140, 271796, 339745, 679490, 1358980]

約数ペア:

[(1, 1358980), (2, 679490), (4, 339745), (5, 271796), (7, 194140), (10, 135898), (14, 97070), (17, 79940), (20, 67949), (28, 48535), (34, 39970), (35, 38828), (68, 19985), (70, 19414), (85, 15988), (119, 11420), (140, 9707), (170, 7994), (238, 5710), (340, 3997), (476, 2855), (571, 2380), (595, 2284), (1142, 1190)]