724021820

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1\times {\mathrm{907}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 1537643520

約数和(自身を除く): 813621700

約数列:

[1, 2, 4, 5, 10, 20, 167, 239, 334, 478, 668, 835, 907, 956, 1195, 1670, 1814, 2390, 3340, 3628, 4535, 4780, 9070, 18140, 39913, 79826, 151469, 159652, 199565, 216773, 302938, 399130, 433546, 605876, 757345, 798260, 867092, 1083865, 1514690, 2167730, 3029380, 4335460, 36201091, 72402182, 144804364, 181005455, 362010910, 724021820]

約数ペア:

[(1, 724021820), (2, 362010910), (4, 181005455), (5, 144804364), (10, 72402182), (20, 36201091), (167, 4335460), (239, 3029380), (334, 2167730), (478, 1514690), (668, 1083865), (835, 867092), (907, 798260), (956, 757345), (1195, 605876), (1670, 433546), (1814, 399130), (2390, 302938), (3340, 216773), (3628, 199565), (4535, 159652), (4780, 151469), (9070, 79826), (18140, 39913)]