490069260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 1548368640

約数和(自身を除く): 1058299380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 223, 261, 290, 348, 421, 435, 446, 522, 580, 669, 842, 870, 892, 1044, 1115, 1263, 1305, 1338, 1684, 1740, 2007, 2105, 2230, 2526, 2610, 2676, 3345, 3789, 4014, 4210, 4460, 5052, 5220, 6315, 6467, 6690, 7578, 8028, 8420, 10035, 12209, 12630, 12934, 13380, 15156, 18945, 19401, 20070, 24418, 25260, 25868, 32335, 36627, 37890, 38802, 40140, 48836, 58203, 61045, 64670, 73254, 75780, 77604, 93883, 97005, 109881, 116406, 122090, 129340, 146508, 183135, 187766, 194010, 219762, 232812, 244180, 281649, 291015, 366270, 375532, 388020, 439524, 469415, 549405, 563298, 582030, 732540, 844947, 938830, 1098810, 1126596, 1164060, 1408245, 1689894, 1877660, 2197620, 2722607, 2816490, 3379788, 4224735, 5445214, 5632980, 8167821, 8449470, 10890428, 13613035, 16335642, 16898940, 24503463, 27226070, 32671284, 40839105, 49006926, 54452140, 81678210, 98013852, 122517315, 163356420, 245034630, 490069260]

約数ペア:

[(1, 490069260), (2, 245034630), (3, 163356420), (4, 122517315), (5, 98013852), (6, 81678210), (9, 54452140), (10, 49006926), (12, 40839105), (15, 32671284), (18, 27226070), (20, 24503463), (29, 16898940), (30, 16335642), (36, 13613035), (45, 10890428), (58, 8449470), (60, 8167821), (87, 5632980), (90, 5445214), (116, 4224735), (145, 3379788), (174, 2816490), (180, 2722607), (223, 2197620), (261, 1877660), (290, 1689894), (348, 1408245), (421, 1164060), (435, 1126596), (446, 1098810), (522, 938830), (580, 844947), (669, 732540), (842, 582030), (870, 563298), (892, 549405), (1044, 469415), (1115, 439524), (1263, 388020), (1305, 375532), (1338, 366270), (1684, 291015), (1740, 281649), (2007, 244180), (2105, 232812), (2230, 219762), (2526, 194010), (2610, 187766), (2676, 183135), (3345, 146508), (3789, 129340), (4014, 122090), (4210, 116406), (4460, 109881), (5052, 97005), (5220, 93883), (6315, 77604), (6467, 75780), (6690, 73254), (7578, 64670), (8028, 61045), (8420, 58203), (10035, 48836), (12209, 40140), (12630, 38802), (12934, 37890), (13380, 36627), (15156, 32335), (18945, 25868), (19401, 25260), (20070, 24418)]