766809980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{12853}}^1$

素因数の和:13038

約数の個数: 48

約数和(自身を含む): 1705982880

約数和(自身を除く): 939172900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1570, 2983, 3140, 5966, 11932, 12853, 14915, 25706, 29830, 51412, 59660, 64265, 128530, 244207, 257060, 488414, 976828, 1221035, 2017921, 2442070, 4035842, 4884140, 8071684, 10089605, 20179210, 38340499, 40358420, 76680998, 153361996, 191702495, 383404990, 766809980]

約数ペア:

[(1, 766809980), (2, 383404990), (4, 191702495), (5, 153361996), (10, 76680998), (19, 40358420), (20, 38340499), (38, 20179210), (76, 10089605), (95, 8071684), (157, 4884140), (190, 4035842), (314, 2442070), (380, 2017921), (628, 1221035), (785, 976828), (1570, 488414), (2983, 257060), (3140, 244207), (5966, 128530), (11932, 64265), (12853, 59660), (14915, 51412), (25706, 29830)]