428866760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4339}}^1$

素因数の和:4710

約数の個数: 64

約数和(自身を含む): 1106179200

約数和(自身を除く): 677312440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 1412, 1765, 2471, 2824, 3530, 4339, 4942, 7060, 8678, 9884, 12355, 14120, 17356, 19768, 21695, 24710, 30373, 34712, 43390, 49420, 60746, 86780, 98840, 121492, 151865, 173560, 242984, 303730, 607460, 1214920, 1531667, 3063334, 6126668, 7658335, 10721669, 12253336, 15316670, 21443338, 30633340, 42886676, 53608345, 61266680, 85773352, 107216690, 214433380, 428866760]

約数ペア:

[(1, 428866760), (2, 214433380), (4, 107216690), (5, 85773352), (7, 61266680), (8, 53608345), (10, 42886676), (14, 30633340), (20, 21443338), (28, 15316670), (35, 12253336), (40, 10721669), (56, 7658335), (70, 6126668), (140, 3063334), (280, 1531667), (353, 1214920), (706, 607460), (1412, 303730), (1765, 242984), (2471, 173560), (2824, 151865), (3530, 121492), (4339, 98840), (4942, 86780), (7060, 60746), (8678, 49420), (9884, 43390), (12355, 34712), (14120, 30373), (17356, 24710), (19768, 21695)]