407804540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142589}}^1$

素因数の和:142622

約数の個数: 48

約数和(自身を含む): 1006115040

約数和(自身を除く): 598310500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 142589, 285178, 570356, 712945, 1425890, 1568479, 1853657, 2851780, 3136958, 3707314, 6273916, 7414628, 7842395, 9268285, 15684790, 18536570, 20390227, 31369580, 37073140, 40780454, 81560908, 101951135, 203902270, 407804540]

約数ペア:

[(1, 407804540), (2, 203902270), (4, 101951135), (5, 81560908), (10, 40780454), (11, 37073140), (13, 31369580), (20, 20390227), (22, 18536570), (26, 15684790), (44, 9268285), (52, 7842395), (55, 7414628), (65, 6273916), (110, 3707314), (130, 3136958), (143, 2851780), (220, 1853657), (260, 1568479), (286, 1425890), (572, 712945), (715, 570356), (1430, 285178), (2860, 142589)]