4419940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 10733184

約数和(自身を除く): 6313244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 241, 262, 482, 524, 655, 917, 964, 1205, 1310, 1687, 1834, 2410, 2620, 3374, 3668, 4585, 4820, 6748, 8435, 9170, 16870, 18340, 31571, 33740, 63142, 126284, 157855, 220997, 315710, 441994, 631420, 883988, 1104985, 2209970, 4419940]

約数ペア:

[(1, 4419940), (2, 2209970), (4, 1104985), (5, 883988), (7, 631420), (10, 441994), (14, 315710), (20, 220997), (28, 157855), (35, 126284), (70, 63142), (131, 33740), (140, 31571), (241, 18340), (262, 16870), (482, 9170), (524, 8435), (655, 6748), (917, 4820), (964, 4585), (1205, 3668), (1310, 3374), (1687, 2620), (1834, 2410)]