202327240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 467849520

約数和(自身を除く): 265522280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 101, 122, 202, 244, 305, 404, 488, 505, 610, 808, 821, 1010, 1220, 1642, 2020, 2440, 3284, 4040, 4105, 6161, 6568, 8210, 12322, 16420, 24644, 30805, 32840, 49288, 50081, 61610, 82921, 100162, 123220, 165842, 200324, 246440, 250405, 331684, 400648, 414605, 500810, 663368, 829210, 1001620, 1658420, 2003240, 3316840, 5058181, 10116362, 20232724, 25290905, 40465448, 50581810, 101163620, 202327240]

約数ペア:

[(1, 202327240), (2, 101163620), (4, 50581810), (5, 40465448), (8, 25290905), (10, 20232724), (20, 10116362), (40, 5058181), (61, 3316840), (101, 2003240), (122, 1658420), (202, 1001620), (244, 829210), (305, 663368), (404, 500810), (488, 414605), (505, 400648), (610, 331684), (808, 250405), (821, 246440), (1010, 200324), (1220, 165842), (1642, 123220), (2020, 100162), (2440, 82921), (3284, 61610), (4040, 50081), (4105, 49288), (6161, 32840), (6568, 30805), (8210, 24644), (12322, 16420)]