221012120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 581303520

約数和(自身を除く): 360291400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 281, 371, 424, 530, 562, 742, 1060, 1124, 1405, 1484, 1855, 1967, 2120, 2248, 2809, 2810, 2968, 3710, 3934, 5618, 5620, 7420, 7868, 9835, 11236, 11240, 14045, 14840, 14893, 15736, 19663, 19670, 22472, 28090, 29786, 39326, 39340, 56180, 59572, 74465, 78652, 78680, 98315, 104251, 112360, 119144, 148930, 157304, 196630, 208502, 297860, 393260, 417004, 521255, 595720, 786520, 789329, 834008, 1042510, 1578658, 2085020, 3157316, 3946645, 4170040, 5525303, 6314632, 7893290, 11050606, 15786580, 22101212, 27626515, 31573160, 44202424, 55253030, 110506060, 221012120]

約数ペア:

[(1, 221012120), (2, 110506060), (4, 55253030), (5, 44202424), (7, 31573160), (8, 27626515), (10, 22101212), (14, 15786580), (20, 11050606), (28, 7893290), (35, 6314632), (40, 5525303), (53, 4170040), (56, 3946645), (70, 3157316), (106, 2085020), (140, 1578658), (212, 1042510), (265, 834008), (280, 789329), (281, 786520), (371, 595720), (424, 521255), (530, 417004), (562, 393260), (742, 297860), (1060, 208502), (1124, 196630), (1405, 157304), (1484, 148930), (1855, 119144), (1967, 112360), (2120, 104251), (2248, 98315), (2809, 78680), (2810, 78652), (2968, 74465), (3710, 59572), (3934, 56180), (5618, 39340), (5620, 39326), (7420, 29786), (7868, 28090), (9835, 22472), (11236, 19670), (11240, 19663), (14045, 15736), (14840, 14893)]