121420100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 275373000

約数和(自身を除く): 153952900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 149, 281, 290, 298, 562, 580, 596, 725, 745, 1124, 1405, 1450, 1490, 2810, 2900, 2980, 3725, 4321, 5620, 7025, 7450, 8149, 8642, 14050, 14900, 16298, 17284, 21605, 28100, 32596, 40745, 41869, 43210, 81490, 83738, 86420, 108025, 162980, 167476, 203725, 209345, 216050, 407450, 418690, 432100, 814900, 837380, 1046725, 1214201, 2093450, 2428402, 4186900, 4856804, 6071005, 12142010, 24284020, 30355025, 60710050, 121420100]

約数ペア:

[(1, 121420100), (2, 60710050), (4, 30355025), (5, 24284020), (10, 12142010), (20, 6071005), (25, 4856804), (29, 4186900), (50, 2428402), (58, 2093450), (100, 1214201), (116, 1046725), (145, 837380), (149, 814900), (281, 432100), (290, 418690), (298, 407450), (562, 216050), (580, 209345), (596, 203725), (725, 167476), (745, 162980), (1124, 108025), (1405, 86420), (1450, 83738), (1490, 81490), (2810, 43210), (2900, 41869), (2980, 40745), (3725, 32596), (4321, 28100), (5620, 21605), (7025, 17284), (7450, 16298), (8149, 14900), (8642, 14050)]