200500020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{701}}^1$

素因数の和:950

約数の個数: 144

約数和(自身を含む): 699124608

約数和(自身を除く): 498624588

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, 701, 908, 1135, 1260, 1362, 1402, 1589, 2043, 2103, 2270, 2724, 2804, 3178, 3405, 3505, 4086, 4206, 4540, 4767, 4907, 6309, 6356, 6810, 7010, 7945, 8172, 8412, 9534, 9814, 10215, 10515, 12618, 13620, 14020, 14301, 14721, 15890, 19068, 19628, 20430, 21030, 23835, 24535, 25236, 28602, 29442, 31545, 31780, 40860, 42060, 44163, 47670, 49070, 57204, 58884, 63090, 71505, 73605, 88326, 95340, 98140, 126180, 143010, 147210, 159127, 176652, 220815, 286020, 294420, 318254, 441630, 477381, 636508, 795635, 883260, 954762, 1113889, 1432143, 1591270, 1909524, 2227778, 2386905, 2864286, 3182540, 3341667, 4455556, 4773810, 5569445, 5728572, 6683334, 7160715, 9547620, 10025001, 11138890, 13366668, 14321430, 16708335, 20050002, 22277780, 28642860, 33416670, 40100004, 50125005, 66833340, 100250010, 200500020]

約数ペア:

[(1, 200500020), (2, 100250010), (3, 66833340), (4, 50125005), (5, 40100004), (6, 33416670), (7, 28642860), (9, 22277780), (10, 20050002), (12, 16708335), (14, 14321430), (15, 13366668), (18, 11138890), (20, 10025001), (21, 9547620), (28, 7160715), (30, 6683334), (35, 5728572), (36, 5569445), (42, 4773810), (45, 4455556), (60, 3341667), (63, 3182540), (70, 2864286), (84, 2386905), (90, 2227778), (105, 1909524), (126, 1591270), (140, 1432143), (180, 1113889), (210, 954762), (227, 883260), (252, 795635), (315, 636508), (420, 477381), (454, 441630), (630, 318254), (681, 294420), (701, 286020), (908, 220815), (1135, 176652), (1260, 159127), (1362, 147210), (1402, 143010), (1589, 126180), (2043, 98140), (2103, 95340), (2270, 88326), (2724, 73605), (2804, 71505), (3178, 63090), (3405, 58884), (3505, 57204), (4086, 49070), (4206, 47670), (4540, 44163), (4767, 42060), (4907, 40860), (6309, 31780), (6356, 31545), (6810, 29442), (7010, 28602), (7945, 25236), (8172, 24535), (8412, 23835), (9534, 21030), (9814, 20430), (10215, 19628), (10515, 19068), (12618, 15890), (13620, 14721), (14020, 14301)]