28812270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 72000576

約数和(自身を除く): 43188306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 101, 111, 185, 202, 222, 257, 303, 370, 505, 514, 555, 606, 771, 1010, 1110, 1285, 1515, 1542, 2570, 3030, 3737, 3855, 7474, 7710, 9509, 11211, 18685, 19018, 22422, 25957, 28527, 37370, 47545, 51914, 56055, 57054, 77871, 95090, 112110, 129785, 142635, 155742, 259570, 285270, 389355, 778710, 960409, 1920818, 2881227, 4802045, 5762454, 9604090, 14406135, 28812270]

約数ペア:

[(1, 28812270), (2, 14406135), (3, 9604090), (5, 5762454), (6, 4802045), (10, 2881227), (15, 1920818), (30, 960409), (37, 778710), (74, 389355), (101, 285270), (111, 259570), (185, 155742), (202, 142635), (222, 129785), (257, 112110), (303, 95090), (370, 77871), (505, 57054), (514, 56055), (555, 51914), (606, 47545), (771, 37370), (1010, 28527), (1110, 25957), (1285, 22422), (1515, 19018), (1542, 18685), (2570, 11211), (3030, 9509), (3737, 7710), (3855, 7474)]