205865100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:865

約数の個数: 216

約数和(自身を含む): 756389088

約数和(自身を除く): 550523988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 41, 42, 45, 50, 60, 63, 70, 75, 82, 84, 90, 100, 105, 123, 126, 140, 150, 164, 175, 180, 205, 210, 225, 246, 252, 287, 300, 315, 350, 369, 410, 420, 450, 492, 525, 574, 615, 630, 700, 738, 797, 820, 861, 900, 1025, 1050, 1148, 1230, 1260, 1435, 1476, 1575, 1594, 1722, 1845, 2050, 2100, 2391, 2460, 2583, 2870, 3075, 3150, 3188, 3444, 3690, 3985, 4100, 4305, 4782, 5166, 5579, 5740, 6150, 6300, 7173, 7175, 7380, 7970, 8610, 9225, 9564, 10332, 11158, 11955, 12300, 12915, 14346, 14350, 15940, 16737, 17220, 18450, 19925, 21525, 22316, 23910, 25830, 27895, 28692, 28700, 32677, 33474, 35865, 36900, 39850, 43050, 47820, 50211, 51660, 55790, 59775, 64575, 65354, 66948, 71730, 79700, 83685, 86100, 98031, 100422, 111580, 119550, 129150, 130708, 139475, 143460, 163385, 167370, 179325, 196062, 200844, 228739, 239100, 251055, 258300, 278950, 294093, 326770, 334740, 358650, 392124, 418425, 457478, 490155, 502110, 557900, 588186, 653540, 686217, 717300, 816925, 836850, 914956, 980310, 1004220, 1143695, 1176372, 1255275, 1372434, 1470465, 1633850, 1673700, 1960620, 2058651, 2287390, 2450775, 2510550, 2744868, 2940930, 3267700, 3431085, 4117302, 4574780, 4901550, 5021100, 5718475, 5881860, 6862170, 7352325, 8234604, 9803100, 10293255, 11436950, 13724340, 14704650, 17155425, 20586510, 22873900, 29409300, 34310850, 41173020, 51466275, 68621700, 102932550, 205865100]

約数ペア:

[(1, 205865100), (2, 102932550), (3, 68621700), (4, 51466275), (5, 41173020), (6, 34310850), (7, 29409300), (9, 22873900), (10, 20586510), (12, 17155425), (14, 14704650), (15, 13724340), (18, 11436950), (20, 10293255), (21, 9803100), (25, 8234604), (28, 7352325), (30, 6862170), (35, 5881860), (36, 5718475), (41, 5021100), (42, 4901550), (45, 4574780), (50, 4117302), (60, 3431085), (63, 3267700), (70, 2940930), (75, 2744868), (82, 2510550), (84, 2450775), (90, 2287390), (100, 2058651), (105, 1960620), (123, 1673700), (126, 1633850), (140, 1470465), (150, 1372434), (164, 1255275), (175, 1176372), (180, 1143695), (205, 1004220), (210, 980310), (225, 914956), (246, 836850), (252, 816925), (287, 717300), (300, 686217), (315, 653540), (350, 588186), (369, 557900), (410, 502110), (420, 490155), (450, 457478), (492, 418425), (525, 392124), (574, 358650), (615, 334740), (630, 326770), (700, 294093), (738, 278950), (797, 258300), (820, 251055), (861, 239100), (900, 228739), (1025, 200844), (1050, 196062), (1148, 179325), (1230, 167370), (1260, 163385), (1435, 143460), (1476, 139475), (1575, 130708), (1594, 129150), (1722, 119550), (1845, 111580), (2050, 100422), (2100, 98031), (2391, 86100), (2460, 83685), (2583, 79700), (2870, 71730), (3075, 66948), (3150, 65354), (3188, 64575), (3444, 59775), (3690, 55790), (3985, 51660), (4100, 50211), (4305, 47820), (4782, 43050), (5166, 39850), (5579, 36900), (5740, 35865), (6150, 33474), (6300, 32677), (7173, 28700), (7175, 28692), (7380, 27895), (7970, 25830), (8610, 23910), (9225, 22316), (9564, 21525), (10332, 19925), (11158, 18450), (11955, 17220), (12300, 16737), (12915, 15940), (14346, 14350)]