71854900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1841

約数の個数: 72

約数和(自身を含む): 173433344

約数和(自身を除く): 101578444

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 1783, 2015, 3100, 3566, 4030, 7132, 8060, 8915, 10075, 17830, 20150, 23179, 35660, 40300, 44575, 46358, 55273, 89150, 92716, 110546, 115895, 178300, 221092, 231790, 276365, 463580, 552730, 579475, 718549, 1105460, 1158950, 1381825, 1437098, 2317900, 2763650, 2874196, 3592745, 5527300, 7185490, 14370980, 17963725, 35927450, 71854900]

約数ペア:

[(1, 71854900), (2, 35927450), (4, 17963725), (5, 14370980), (10, 7185490), (13, 5527300), (20, 3592745), (25, 2874196), (26, 2763650), (31, 2317900), (50, 1437098), (52, 1381825), (62, 1158950), (65, 1105460), (100, 718549), (124, 579475), (130, 552730), (155, 463580), (260, 276365), (310, 231790), (325, 221092), (403, 178300), (620, 115895), (650, 110546), (775, 92716), (806, 89150), (1300, 55273), (1550, 46358), (1612, 44575), (1783, 40300), (2015, 35660), (3100, 23179), (3566, 20150), (4030, 17830), (7132, 10075), (8060, 8915)]