72497390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 84266770

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 142, 145, 203, 290, 355, 406, 497, 503, 710, 994, 1006, 1015, 2030, 2059, 2485, 2515, 3521, 4118, 4970, 5030, 7042, 10295, 14413, 14587, 17605, 20590, 28826, 29174, 35210, 35713, 71426, 72065, 72935, 102109, 144130, 145870, 178565, 204218, 249991, 357130, 499982, 510545, 1021090, 1035677, 1249955, 2071354, 2499910, 5178385, 7249739, 10356770, 14499478, 36248695, 72497390]

約数ペア:

[(1, 72497390), (2, 36248695), (5, 14499478), (7, 10356770), (10, 7249739), (14, 5178385), (29, 2499910), (35, 2071354), (58, 1249955), (70, 1035677), (71, 1021090), (142, 510545), (145, 499982), (203, 357130), (290, 249991), (355, 204218), (406, 178565), (497, 145870), (503, 144130), (710, 102109), (994, 72935), (1006, 72065), (1015, 71426), (2030, 35713), (2059, 35210), (2485, 29174), (2515, 28826), (3521, 20590), (4118, 17605), (4970, 14587), (5030, 14413), (7042, 10295)]