45451990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 91108800

約数和(自身を除く): 45656810

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 73, 95, 113, 145, 146, 190, 226, 290, 365, 551, 565, 730, 1102, 1130, 1387, 2117, 2147, 2755, 2774, 3277, 4234, 4294, 5510, 6554, 6935, 8249, 10585, 10735, 13870, 16385, 16498, 21170, 21470, 32770, 40223, 41245, 62263, 80446, 82490, 124526, 156731, 201115, 239221, 311315, 313462, 402230, 478442, 622630, 783655, 1196105, 1567310, 2392210, 4545199, 9090398, 22725995, 45451990]

約数ペア:

[(1, 45451990), (2, 22725995), (5, 9090398), (10, 4545199), (19, 2392210), (29, 1567310), (38, 1196105), (58, 783655), (73, 622630), (95, 478442), (113, 402230), (145, 313462), (146, 311315), (190, 239221), (226, 201115), (290, 156731), (365, 124526), (551, 82490), (565, 80446), (730, 62263), (1102, 41245), (1130, 40223), (1387, 32770), (2117, 21470), (2147, 21170), (2755, 16498), (2774, 16385), (3277, 13870), (4234, 10735), (4294, 10585), (5510, 8249), (6554, 6935)]