891223340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1187}}^1$

素因数の和:1407

約数の個数: 96

約数和(自身を含む): 2222567424

約数和(自身を除く): 1331344084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 173, 217, 310, 346, 434, 620, 692, 865, 868, 1085, 1187, 1211, 1730, 2170, 2374, 2422, 3460, 4340, 4748, 4844, 5363, 5935, 6055, 8309, 10726, 11870, 12110, 16618, 21452, 23740, 24220, 26815, 33236, 36797, 37541, 41545, 53630, 73594, 75082, 83090, 107260, 147188, 150164, 166180, 183985, 187705, 205351, 257579, 367970, 375410, 410702, 515158, 735940, 750820, 821404, 1026755, 1030316, 1287895, 1437457, 2053510, 2575790, 2874914, 4107020, 5151580, 5749828, 6365881, 7187285, 12731762, 14374570, 25463524, 28749140, 31829405, 44561167, 63658810, 89122334, 127317620, 178244668, 222805835, 445611670, 891223340]

約数ペア:

[(1, 891223340), (2, 445611670), (4, 222805835), (5, 178244668), (7, 127317620), (10, 89122334), (14, 63658810), (20, 44561167), (28, 31829405), (31, 28749140), (35, 25463524), (62, 14374570), (70, 12731762), (124, 7187285), (140, 6365881), (155, 5749828), (173, 5151580), (217, 4107020), (310, 2874914), (346, 2575790), (434, 2053510), (620, 1437457), (692, 1287895), (865, 1030316), (868, 1026755), (1085, 821404), (1187, 750820), (1211, 735940), (1730, 515158), (2170, 410702), (2374, 375410), (2422, 367970), (3460, 257579), (4340, 205351), (4748, 187705), (4844, 183985), (5363, 166180), (5935, 150164), (6055, 147188), (8309, 107260), (10726, 83090), (11870, 75082), (12110, 73594), (16618, 53630), (21452, 41545), (23740, 37541), (24220, 36797), (26815, 33236)]