405834832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1140

約数の個数: 80

約数和(自身を含む): 900914560

約数和(自身を除く): 495079728

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 103, 104, 152, 206, 208, 247, 304, 412, 494, 824, 988, 997, 1339, 1648, 1957, 1976, 1994, 2678, 3914, 3952, 3988, 5356, 7828, 7976, 10712, 12961, 15656, 15952, 18943, 21424, 25441, 25922, 31312, 37886, 50882, 51844, 75772, 101764, 102691, 103688, 151544, 203528, 205382, 207376, 246259, 303088, 407056, 410764, 492518, 821528, 985036, 1334983, 1643056, 1951129, 1970072, 2669966, 3902258, 3940144, 5339932, 7804516, 10679864, 15609032, 21359728, 25364677, 31218064, 50729354, 101458708, 202917416, 405834832]

約数ペア:

[(1, 405834832), (2, 202917416), (4, 101458708), (8, 50729354), (13, 31218064), (16, 25364677), (19, 21359728), (26, 15609032), (38, 10679864), (52, 7804516), (76, 5339932), (103, 3940144), (104, 3902258), (152, 2669966), (206, 1970072), (208, 1951129), (247, 1643056), (304, 1334983), (412, 985036), (494, 821528), (824, 492518), (988, 410764), (997, 407056), (1339, 303088), (1648, 246259), (1957, 207376), (1976, 205382), (1994, 203528), (2678, 151544), (3914, 103688), (3952, 102691), (3988, 101764), (5356, 75772), (7828, 51844), (7976, 50882), (10712, 37886), (12961, 31312), (15656, 25922), (15952, 25441), (18943, 21424)]