2890020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{983}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 9422784

約数和(自身を除く): 6532764

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, 983, 1470, 1966, 2940, 2949, 3932, 4915, 5898, 6881, 9830, 11796, 13762, 14745, 19660, 20643, 27524, 29490, 34405, 41286, 48167, 58980, 68810, 82572, 96334, 103215, 137620, 144501, 192668, 206430, 240835, 289002, 412860, 481670, 578004, 722505, 963340, 1445010, 2890020]

約数ペア:

[(1, 2890020), (2, 1445010), (3, 963340), (4, 722505), (5, 578004), (6, 481670), (7, 412860), (10, 289002), (12, 240835), (14, 206430), (15, 192668), (20, 144501), (21, 137620), (28, 103215), (30, 96334), (35, 82572), (42, 68810), (49, 58980), (60, 48167), (70, 41286), (84, 34405), (98, 29490), (105, 27524), (140, 20643), (147, 19660), (196, 14745), (210, 13762), (245, 11796), (294, 9830), (420, 6881), (490, 5898), (588, 4915), (735, 3932), (980, 2949), (983, 2940), (1470, 1966)]