31309460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17203}}^1$

素因数の和:17232

約数の個数: 48

約数和(自身を含む): 80927616

約数和(自身を除く): 49618156

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17203, 34406, 68812, 86015, 120421, 172030, 223639, 240842, 344060, 447278, 481684, 602105, 894556, 1118195, 1204210, 1565473, 2236390, 2408420, 3130946, 4472780, 6261892, 7827365, 15654730, 31309460]

約数ペア:

[(1, 31309460), (2, 15654730), (4, 7827365), (5, 6261892), (7, 4472780), (10, 3130946), (13, 2408420), (14, 2236390), (20, 1565473), (26, 1204210), (28, 1118195), (35, 894556), (52, 602105), (65, 481684), (70, 447278), (91, 344060), (130, 240842), (140, 223639), (182, 172030), (260, 120421), (364, 86015), (455, 68812), (910, 34406), (1820, 17203)]