250221720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3347}}^1$

素因数の和:3457

約数の個数: 128

約数和(自身を含む): 867801600

約数和(自身を除く): 617579880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 3115, 3347, 3560, 3738, 4984, 5340, 6230, 6694, 7476, 9345, 10041, 10680, 12460, 13388, 14952, 16735, 18690, 20082, 23429, 24920, 26776, 33470, 37380, 40164, 46858, 50205, 66940, 70287, 74760, 80328, 93716, 100410, 117145, 133880, 140574, 187432, 200820, 234290, 281148, 297883, 351435, 401640, 468580, 562296, 595766, 702870, 893649, 937160, 1191532, 1405740, 1489415, 1787298, 2085181, 2383064, 2811480, 2978830, 3574596, 4170362, 4468245, 5957660, 6255543, 7149192, 8340724, 8936490, 10425905, 11915320, 12511086, 16681448, 17872980, 20851810, 25022172, 31277715, 35745960, 41703620, 50044344, 62555430, 83407240, 125110860, 250221720]

約数ペア:

[(1, 250221720), (2, 125110860), (3, 83407240), (4, 62555430), (5, 50044344), (6, 41703620), (7, 35745960), (8, 31277715), (10, 25022172), (12, 20851810), (14, 17872980), (15, 16681448), (20, 12511086), (21, 11915320), (24, 10425905), (28, 8936490), (30, 8340724), (35, 7149192), (40, 6255543), (42, 5957660), (56, 4468245), (60, 4170362), (70, 3574596), (84, 2978830), (89, 2811480), (105, 2383064), (120, 2085181), (140, 1787298), (168, 1489415), (178, 1405740), (210, 1191532), (267, 937160), (280, 893649), (356, 702870), (420, 595766), (445, 562296), (534, 468580), (623, 401640), (712, 351435), (840, 297883), (890, 281148), (1068, 234290), (1246, 200820), (1335, 187432), (1780, 140574), (1869, 133880), (2136, 117145), (2492, 100410), (2670, 93716), (3115, 80328), (3347, 74760), (3560, 70287), (3738, 66940), (4984, 50205), (5340, 46858), (6230, 40164), (6694, 37380), (7476, 33470), (9345, 26776), (10041, 24920), (10680, 23429), (12460, 20082), (13388, 18690), (14952, 16735)]