290298568

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1087}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 658022400

約数和(自身を除く): 367723832

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 251, 266, 502, 532, 1004, 1064, 1087, 1757, 2008, 2174, 3514, 4348, 4769, 7028, 7609, 8696, 9538, 14056, 15218, 19076, 20653, 30436, 33383, 38152, 41306, 60872, 66766, 82612, 133532, 144571, 165224, 267064, 272837, 289142, 545674, 578284, 1091348, 1156568, 1909859, 2182696, 3819718, 5183903, 7639436, 10367806, 15278872, 20735612, 36287321, 41471224, 72574642, 145149284, 290298568]

約数ペア:

[(1, 290298568), (2, 145149284), (4, 72574642), (7, 41471224), (8, 36287321), (14, 20735612), (19, 15278872), (28, 10367806), (38, 7639436), (56, 5183903), (76, 3819718), (133, 2182696), (152, 1909859), (251, 1156568), (266, 1091348), (502, 578284), (532, 545674), (1004, 289142), (1064, 272837), (1087, 267064), (1757, 165224), (2008, 144571), (2174, 133532), (3514, 82612), (4348, 66766), (4769, 60872), (7028, 41306), (7609, 38152), (8696, 33383), (9538, 30436), (14056, 20653), (15218, 19076)]