4018980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{1367}}^1$

素因数の和:1393

約数の個数: 72

約数和(自身を含む): 13099968

約数和(自身を除く): 9080988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1367, 1470, 2734, 2940, 4101, 5468, 6835, 8202, 9569, 13670, 16404, 19138, 20505, 27340, 28707, 38276, 41010, 47845, 57414, 66983, 82020, 95690, 114828, 133966, 143535, 191380, 200949, 267932, 287070, 334915, 401898, 574140, 669830, 803796, 1004745, 1339660, 2009490, 4018980]

約数ペア:

[(1, 4018980), (2, 2009490), (3, 1339660), (4, 1004745), (5, 803796), (6, 669830), (7, 574140), (10, 401898), (12, 334915), (14, 287070), (15, 267932), (20, 200949), (21, 191380), (28, 143535), (30, 133966), (35, 114828), (42, 95690), (49, 82020), (60, 66983), (70, 57414), (84, 47845), (98, 41010), (105, 38276), (140, 28707), (147, 27340), (196, 20505), (210, 19138), (245, 16404), (294, 13670), (420, 9569), (490, 8202), (588, 6835), (735, 5468), (980, 4101), (1367, 2940), (1470, 2734)]