205083900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{3617}}^1$

素因数の和:3650

約数の個数: 180

約数和(自身を含む): 759982608

約数和(自身を除く): 554898708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1050, 1134, 1260, 1350, 1575, 1620, 1890, 2025, 2100, 2268, 2700, 2835, 3150, 3617, 3780, 4050, 4725, 5670, 6300, 7234, 8100, 9450, 10851, 11340, 14175, 14468, 18085, 18900, 21702, 25319, 28350, 32553, 36170, 43404, 50638, 54255, 56700, 65106, 72340, 75957, 90425, 97659, 101276, 108510, 126595, 130212, 151914, 162765, 180850, 195318, 217020, 227871, 253190, 271275, 292977, 303828, 325530, 361700, 379785, 390636, 455742, 488295, 506380, 542550, 585954, 632975, 651060, 683613, 759570, 813825, 911484, 976590, 1085100, 1139355, 1171908, 1265950, 1367226, 1464885, 1519140, 1627650, 1898925, 1953180, 2050839, 2278710, 2441475, 2531900, 2734452, 2929770, 3255300, 3418065, 3797850, 4101678, 4557420, 4882950, 5696775, 5859540, 6836130, 7324425, 7595700, 8203356, 9765900, 10254195, 11393550, 13672260, 14648850, 17090325, 20508390, 22787100, 29297700, 34180650, 41016780, 51270975, 68361300, 102541950, 205083900]

約数ペア:

[(1, 205083900), (2, 102541950), (3, 68361300), (4, 51270975), (5, 41016780), (6, 34180650), (7, 29297700), (9, 22787100), (10, 20508390), (12, 17090325), (14, 14648850), (15, 13672260), (18, 11393550), (20, 10254195), (21, 9765900), (25, 8203356), (27, 7595700), (28, 7324425), (30, 6836130), (35, 5859540), (36, 5696775), (42, 4882950), (45, 4557420), (50, 4101678), (54, 3797850), (60, 3418065), (63, 3255300), (70, 2929770), (75, 2734452), (81, 2531900), (84, 2441475), (90, 2278710), (100, 2050839), (105, 1953180), (108, 1898925), (126, 1627650), (135, 1519140), (140, 1464885), (150, 1367226), (162, 1265950), (175, 1171908), (180, 1139355), (189, 1085100), (210, 976590), (225, 911484), (252, 813825), (270, 759570), (300, 683613), (315, 651060), (324, 632975), (350, 585954), (378, 542550), (405, 506380), (420, 488295), (450, 455742), (525, 390636), (540, 379785), (567, 361700), (630, 325530), (675, 303828), (700, 292977), (756, 271275), (810, 253190), (900, 227871), (945, 217020), (1050, 195318), (1134, 180850), (1260, 162765), (1350, 151914), (1575, 130212), (1620, 126595), (1890, 108510), (2025, 101276), (2100, 97659), (2268, 90425), (2700, 75957), (2835, 72340), (3150, 65106), (3617, 56700), (3780, 54255), (4050, 50638), (4725, 43404), (5670, 36170), (6300, 32553), (7234, 28350), (8100, 25319), (9450, 21702), (10851, 18900), (11340, 18085), (14175, 14468)]