20107170050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{2251}}^1$

素因数の和:2532

約数の個数: 96

約数和(自身を含む): 41468328000

約数和(自身を除く): 21361157950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 109, 110, 149, 218, 275, 298, 545, 550, 745, 1090, 1199, 1490, 1639, 2251, 2398, 2725, 3278, 3725, 4502, 5450, 5995, 7450, 8195, 11255, 11990, 16241, 16390, 22510, 24761, 29975, 32482, 40975, 49522, 56275, 59950, 81205, 81950, 112550, 123805, 162410, 178651, 245359, 247610, 335399, 357302, 406025, 490718, 619025, 670798, 812050, 893255, 1226795, 1238050, 1676995, 1786510, 2453590, 2698949, 3353990, 3689389, 4466275, 5397898, 6133975, 7378778, 8384975, 8932550, 12267950, 13494745, 16769950, 18446945, 26989490, 36558491, 36893890, 67473725, 73116982, 92234725, 134947450, 182792455, 184469450, 365584910, 402143401, 804286802, 913962275, 1827924550, 2010717005, 4021434010, 10053585025, 20107170050]

約数ペア:

[(1, 20107170050), (2, 10053585025), (5, 4021434010), (10, 2010717005), (11, 1827924550), (22, 913962275), (25, 804286802), (50, 402143401), (55, 365584910), (109, 184469450), (110, 182792455), (149, 134947450), (218, 92234725), (275, 73116982), (298, 67473725), (545, 36893890), (550, 36558491), (745, 26989490), (1090, 18446945), (1199, 16769950), (1490, 13494745), (1639, 12267950), (2251, 8932550), (2398, 8384975), (2725, 7378778), (3278, 6133975), (3725, 5397898), (4502, 4466275), (5450, 3689389), (5995, 3353990), (7450, 2698949), (8195, 2453590), (11255, 1786510), (11990, 1676995), (16241, 1238050), (16390, 1226795), (22510, 893255), (24761, 812050), (29975, 670798), (32482, 619025), (40975, 490718), (49522, 406025), (56275, 357302), (59950, 335399), (81205, 247610), (81950, 245359), (112550, 178651), (123805, 162410)]