208418580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:998

約数の個数: 144

約数和(自身を含む): 669247488

約数和(自身を除く): 460828908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 41, 45, 60, 62, 82, 90, 93, 123, 124, 155, 164, 180, 186, 205, 246, 279, 310, 369, 372, 410, 465, 492, 558, 615, 620, 738, 820, 911, 930, 1116, 1230, 1271, 1395, 1476, 1822, 1845, 1860, 2460, 2542, 2733, 2790, 3644, 3690, 3813, 4555, 5084, 5466, 5580, 6355, 7380, 7626, 8199, 9110, 10932, 11439, 12710, 13665, 15252, 16398, 18220, 19065, 22878, 25420, 27330, 28241, 32796, 37351, 38130, 40995, 45756, 54660, 56482, 57195, 74702, 76260, 81990, 84723, 112053, 112964, 114390, 141205, 149404, 163980, 169446, 186755, 224106, 228780, 254169, 282410, 336159, 338892, 373510, 423615, 448212, 508338, 560265, 564820, 672318, 747020, 847230, 1016676, 1120530, 1157881, 1270845, 1344636, 1680795, 1694460, 2241060, 2315762, 2541690, 3361590, 3473643, 4631524, 5083380, 5789405, 6723180, 6947286, 10420929, 11578810, 13894572, 17368215, 20841858, 23157620, 34736430, 41683716, 52104645, 69472860, 104209290, 208418580]

約数ペア:

[(1, 208418580), (2, 104209290), (3, 69472860), (4, 52104645), (5, 41683716), (6, 34736430), (9, 23157620), (10, 20841858), (12, 17368215), (15, 13894572), (18, 11578810), (20, 10420929), (30, 6947286), (31, 6723180), (36, 5789405), (41, 5083380), (45, 4631524), (60, 3473643), (62, 3361590), (82, 2541690), (90, 2315762), (93, 2241060), (123, 1694460), (124, 1680795), (155, 1344636), (164, 1270845), (180, 1157881), (186, 1120530), (205, 1016676), (246, 847230), (279, 747020), (310, 672318), (369, 564820), (372, 560265), (410, 508338), (465, 448212), (492, 423615), (558, 373510), (615, 338892), (620, 336159), (738, 282410), (820, 254169), (911, 228780), (930, 224106), (1116, 186755), (1230, 169446), (1271, 163980), (1395, 149404), (1476, 141205), (1822, 114390), (1845, 112964), (1860, 112053), (2460, 84723), (2542, 81990), (2733, 76260), (2790, 74702), (3644, 57195), (3690, 56482), (3813, 54660), (4555, 45756), (5084, 40995), (5466, 38130), (5580, 37351), (6355, 32796), (7380, 28241), (7626, 27330), (8199, 25420), (9110, 22878), (10932, 19065), (11439, 18220), (12710, 16398), (13665, 15252)]