490856360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 1124701200

約数和(自身を除く): 633844840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 173, 178, 346, 356, 445, 692, 712, 797, 865, 890, 1384, 1594, 1730, 1780, 3188, 3460, 3560, 3985, 6376, 6920, 7970, 15397, 15940, 30794, 31880, 61588, 70933, 76985, 123176, 137881, 141866, 153970, 275762, 283732, 307940, 354665, 551524, 567464, 615880, 689405, 709330, 1103048, 1378810, 1418660, 2757620, 2837320, 5515240, 12271409, 24542818, 49085636, 61357045, 98171272, 122714090, 245428180, 490856360]

約数ペア:

[(1, 490856360), (2, 245428180), (4, 122714090), (5, 98171272), (8, 61357045), (10, 49085636), (20, 24542818), (40, 12271409), (89, 5515240), (173, 2837320), (178, 2757620), (346, 1418660), (356, 1378810), (445, 1103048), (692, 709330), (712, 689405), (797, 615880), (865, 567464), (890, 551524), (1384, 354665), (1594, 307940), (1730, 283732), (1780, 275762), (3188, 153970), (3460, 141866), (3560, 137881), (3985, 123176), (6376, 76985), (6920, 70933), (7970, 61588), (15397, 31880), (15940, 30794)]