72531470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 148925952

約数和(自身を除く): 76394482

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 71, 74, 110, 142, 185, 251, 355, 370, 407, 502, 710, 781, 814, 1255, 1562, 2035, 2510, 2627, 2761, 3905, 4070, 5254, 5522, 7810, 9287, 13135, 13805, 17821, 18574, 26270, 27610, 28897, 35642, 46435, 57794, 89105, 92870, 102157, 144485, 178210, 196031, 204314, 288970, 392062, 510785, 659377, 980155, 1021570, 1318754, 1960310, 3296885, 6593770, 7253147, 14506294, 36265735, 72531470]

約数ペア:

[(1, 72531470), (2, 36265735), (5, 14506294), (10, 7253147), (11, 6593770), (22, 3296885), (37, 1960310), (55, 1318754), (71, 1021570), (74, 980155), (110, 659377), (142, 510785), (185, 392062), (251, 288970), (355, 204314), (370, 196031), (407, 178210), (502, 144485), (710, 102157), (781, 92870), (814, 89105), (1255, 57794), (1562, 46435), (2035, 35642), (2510, 28897), (2627, 27610), (2761, 26270), (3905, 18574), (4070, 17821), (5254, 13805), (5522, 13135), (7810, 9287)]