57201820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 137281536

約数和(自身を除く): 80079716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 47, 52, 62, 65, 94, 124, 130, 151, 155, 188, 235, 260, 302, 310, 403, 470, 604, 611, 620, 755, 806, 940, 1222, 1457, 1510, 1612, 1963, 2015, 2444, 2914, 3020, 3055, 3926, 4030, 4681, 5828, 6110, 7097, 7285, 7852, 8060, 9362, 9815, 12220, 14194, 14570, 18724, 18941, 19630, 23405, 28388, 29140, 35485, 37882, 39260, 46810, 60853, 70970, 75764, 92261, 93620, 94705, 121706, 141940, 184522, 189410, 220007, 243412, 304265, 369044, 378820, 440014, 461305, 608530, 880028, 922610, 1100035, 1217060, 1845220, 2200070, 2860091, 4400140, 5720182, 11440364, 14300455, 28600910, 57201820]

約数ペア:

[(1, 57201820), (2, 28600910), (4, 14300455), (5, 11440364), (10, 5720182), (13, 4400140), (20, 2860091), (26, 2200070), (31, 1845220), (47, 1217060), (52, 1100035), (62, 922610), (65, 880028), (94, 608530), (124, 461305), (130, 440014), (151, 378820), (155, 369044), (188, 304265), (235, 243412), (260, 220007), (302, 189410), (310, 184522), (403, 141940), (470, 121706), (604, 94705), (611, 93620), (620, 92261), (755, 75764), (806, 70970), (940, 60853), (1222, 46810), (1457, 39260), (1510, 37882), (1612, 35485), (1963, 29140), (2015, 28388), (2444, 23405), (2914, 19630), (3020, 18941), (3055, 18724), (3926, 14570), (4030, 14194), (4681, 12220), (5828, 9815), (6110, 9362), (7097, 8060), (7285, 7852)]