247288510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2101

約数の個数: 64

約数和(自身を含む): 535144320

約数和(自身を除く): 287855810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 61, 70, 122, 145, 203, 290, 305, 406, 427, 610, 854, 1015, 1769, 1997, 2030, 2135, 3538, 3994, 4270, 8845, 9985, 12383, 13979, 17690, 19970, 24766, 27958, 57913, 61915, 69895, 115826, 121817, 123830, 139790, 243634, 289565, 405391, 579130, 609085, 810782, 852719, 1218170, 1705438, 2026955, 3532693, 4053910, 4263595, 7065386, 8527190, 17663465, 24728851, 35326930, 49457702, 123644255, 247288510]

約数ペア:

[(1, 247288510), (2, 123644255), (5, 49457702), (7, 35326930), (10, 24728851), (14, 17663465), (29, 8527190), (35, 7065386), (58, 4263595), (61, 4053910), (70, 3532693), (122, 2026955), (145, 1705438), (203, 1218170), (290, 852719), (305, 810782), (406, 609085), (427, 579130), (610, 405391), (854, 289565), (1015, 243634), (1769, 139790), (1997, 123830), (2030, 121817), (2135, 115826), (3538, 69895), (3994, 61915), (4270, 57913), (8845, 27958), (9985, 24766), (12383, 19970), (13979, 17690)]