209555010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2393}}^1$

素因数の和:2552

約数の個数: 96

約数和(自身を含む): 627419520

約数和(自身を除く): 417864510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 139, 210, 278, 315, 417, 630, 695, 834, 973, 1251, 1390, 1946, 2085, 2393, 2502, 2919, 4170, 4786, 4865, 5838, 6255, 7179, 8757, 9730, 11965, 12510, 14358, 14595, 16751, 17514, 21537, 23930, 29190, 33502, 35895, 43074, 43785, 50253, 71790, 83755, 87570, 100506, 107685, 150759, 167510, 215370, 251265, 301518, 332627, 502530, 665254, 753795, 997881, 1507590, 1663135, 1995762, 2328389, 2993643, 3326270, 4656778, 4989405, 5987286, 6985167, 9978810, 11641945, 13970334, 14968215, 20955501, 23283890, 29936430, 34925835, 41911002, 69851670, 104777505, 209555010]

約数ペア:

[(1, 209555010), (2, 104777505), (3, 69851670), (5, 41911002), (6, 34925835), (7, 29936430), (9, 23283890), (10, 20955501), (14, 14968215), (15, 13970334), (18, 11641945), (21, 9978810), (30, 6985167), (35, 5987286), (42, 4989405), (45, 4656778), (63, 3326270), (70, 2993643), (90, 2328389), (105, 1995762), (126, 1663135), (139, 1507590), (210, 997881), (278, 753795), (315, 665254), (417, 502530), (630, 332627), (695, 301518), (834, 251265), (973, 215370), (1251, 167510), (1390, 150759), (1946, 107685), (2085, 100506), (2393, 87570), (2502, 83755), (2919, 71790), (4170, 50253), (4786, 43785), (4865, 43074), (5838, 35895), (6255, 33502), (7179, 29190), (8757, 23930), (9730, 21537), (11965, 17514), (12510, 16751), (14358, 14595)]