205648380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{719}}^1$

素因数の和:968

約数の個数: 144

約数和(自身を含む): 717050880

約数和(自身を除く): 511402500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 252, 315, 420, 454, 630, 681, 719, 908, 1135, 1260, 1362, 1438, 1589, 2043, 2157, 2270, 2724, 2876, 3178, 3405, 3595, 4086, 4314, 4540, 4767, 5033, 6356, 6471, 6810, 7190, 7945, 8172, 8628, 9534, 10066, 10215, 10785, 12942, 13620, 14301, 14380, 15099, 15890, 19068, 20132, 20430, 21570, 23835, 25165, 25884, 28602, 30198, 31780, 32355, 40860, 43140, 45297, 47670, 50330, 57204, 60396, 64710, 71505, 75495, 90594, 95340, 100660, 129420, 143010, 150990, 163213, 181188, 226485, 286020, 301980, 326426, 452970, 489639, 652852, 816065, 905940, 979278, 1142491, 1468917, 1632130, 1958556, 2284982, 2448195, 2937834, 3264260, 3427473, 4569964, 4896390, 5712455, 5875668, 6854946, 7344585, 9792780, 10282419, 11424910, 13709892, 14689170, 17137365, 20564838, 22849820, 29378340, 34274730, 41129676, 51412095, 68549460, 102824190, 205648380]

約数ペア:

[(1, 205648380), (2, 102824190), (3, 68549460), (4, 51412095), (5, 41129676), (6, 34274730), (7, 29378340), (9, 22849820), (10, 20564838), (12, 17137365), (14, 14689170), (15, 13709892), (18, 11424910), (20, 10282419), (21, 9792780), (28, 7344585), (30, 6854946), (35, 5875668), (36, 5712455), (42, 4896390), (45, 4569964), (60, 3427473), (63, 3264260), (70, 2937834), (84, 2448195), (90, 2284982), (105, 1958556), (126, 1632130), (140, 1468917), (180, 1142491), (210, 979278), (227, 905940), (252, 816065), (315, 652852), (420, 489639), (454, 452970), (630, 326426), (681, 301980), (719, 286020), (908, 226485), (1135, 181188), (1260, 163213), (1362, 150990), (1438, 143010), (1589, 129420), (2043, 100660), (2157, 95340), (2270, 90594), (2724, 75495), (2876, 71505), (3178, 64710), (3405, 60396), (3595, 57204), (4086, 50330), (4314, 47670), (4540, 45297), (4767, 43140), (5033, 40860), (6356, 32355), (6471, 31780), (6810, 30198), (7190, 28602), (7945, 25884), (8172, 25165), (8628, 23835), (9534, 21570), (10066, 20430), (10215, 20132), (10785, 19068), (12942, 15890), (13620, 15099), (14301, 14380)]