90875820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{216371}}^1$

素因数の和:216390

約数の個数: 48

約数和(自身を含む): 290803968

約数和(自身を除く): 199928148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 216371, 432742, 649113, 865484, 1081855, 1298226, 1514597, 2163710, 2596452, 3029194, 3245565, 4327420, 4543791, 6058388, 6491130, 7572985, 9087582, 12982260, 15145970, 18175164, 22718955, 30291940, 45437910, 90875820]

約数ペア:

[(1, 90875820), (2, 45437910), (3, 30291940), (4, 22718955), (5, 18175164), (6, 15145970), (7, 12982260), (10, 9087582), (12, 7572985), (14, 6491130), (15, 6058388), (20, 4543791), (21, 4327420), (28, 3245565), (30, 3029194), (35, 2596452), (42, 2163710), (60, 1514597), (70, 1298226), (84, 1081855), (105, 865484), (140, 649113), (210, 432742), (420, 216371)]