535449980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2143}}^1$

素因数の和:2227

約数の個数: 72

約数和(自身を含む): 1251847296

約数和(自身を除く): 716397316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 2143, 3844, 4030, 4286, 4805, 8060, 8572, 9610, 10715, 12493, 19220, 21430, 24986, 27859, 42860, 49972, 55718, 62465, 66433, 111436, 124930, 132866, 139295, 249860, 265732, 278590, 332165, 557180, 664330, 863629, 1328660, 1727258, 2059423, 3454516, 4118846, 4318145, 8237692, 8636290, 10297115, 17272580, 20594230, 26772499, 41188460, 53544998, 107089996, 133862495, 267724990, 535449980]

約数ペア:

[(1, 535449980), (2, 267724990), (4, 133862495), (5, 107089996), (10, 53544998), (13, 41188460), (20, 26772499), (26, 20594230), (31, 17272580), (52, 10297115), (62, 8636290), (65, 8237692), (124, 4318145), (130, 4118846), (155, 3454516), (260, 2059423), (310, 1727258), (403, 1328660), (620, 863629), (806, 664330), (961, 557180), (1612, 332165), (1922, 278590), (2015, 265732), (2143, 249860), (3844, 139295), (4030, 132866), (4286, 124930), (4805, 111436), (8060, 66433), (8572, 62465), (9610, 55718), (10715, 49972), (12493, 42860), (19220, 27859), (21430, 24986)]