31293250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 62270208

約数和(自身を除く): 30976958

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 71, 82, 86, 125, 142, 205, 215, 250, 355, 410, 430, 710, 1025, 1075, 1763, 1775, 2050, 2150, 2911, 3053, 3526, 3550, 5125, 5375, 5822, 6106, 8815, 8875, 10250, 10750, 14555, 15265, 17630, 17750, 29110, 30530, 44075, 72775, 76325, 88150, 125173, 145550, 152650, 220375, 250346, 363875, 381625, 440750, 625865, 727750, 763250, 1251730, 3129325, 6258650, 15646625, 31293250]

約数ペア:

[(1, 31293250), (2, 15646625), (5, 6258650), (10, 3129325), (25, 1251730), (41, 763250), (43, 727750), (50, 625865), (71, 440750), (82, 381625), (86, 363875), (125, 250346), (142, 220375), (205, 152650), (215, 145550), (250, 125173), (355, 88150), (410, 76325), (430, 72775), (710, 44075), (1025, 30530), (1075, 29110), (1763, 17750), (1775, 17630), (2050, 15265), (2150, 14555), (2911, 10750), (3053, 10250), (3526, 8875), (3550, 8815), (5125, 6106), (5375, 5822)]