42185780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1783}}^1$

素因数の和:1825

約数の個数: 72

約数和(自身を含む): 109694592

約数和(自身を除く): 67508812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1783, 1820, 2366, 3380, 3566, 4732, 5915, 7132, 8915, 11830, 12481, 17830, 23179, 23660, 24962, 35660, 46358, 49924, 62405, 92716, 115895, 124810, 162253, 231790, 249620, 301327, 324506, 463580, 602654, 649012, 811265, 1205308, 1506635, 1622530, 2109289, 3013270, 3245060, 4218578, 6026540, 8437156, 10546445, 21092890, 42185780]

約数ペア:

[(1, 42185780), (2, 21092890), (4, 10546445), (5, 8437156), (7, 6026540), (10, 4218578), (13, 3245060), (14, 3013270), (20, 2109289), (26, 1622530), (28, 1506635), (35, 1205308), (52, 811265), (65, 649012), (70, 602654), (91, 463580), (130, 324506), (140, 301327), (169, 249620), (182, 231790), (260, 162253), (338, 124810), (364, 115895), (455, 92716), (676, 62405), (845, 49924), (910, 46358), (1183, 35660), (1690, 24962), (1783, 23660), (1820, 23179), (2366, 17830), (3380, 12481), (3566, 11830), (4732, 8915), (5915, 7132)]