142028920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7873}}^1$

素因数の和:7936

約数の個数: 64

約数和(自身を含む): 357164640

約数和(自身を除く): 215135720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 7873, 9020, 15746, 18040, 31492, 39365, 62984, 78730, 86603, 157460, 173206, 314920, 322793, 346412, 433015, 645586, 692824, 866030, 1291172, 1613965, 1732060, 2582344, 3227930, 3464120, 3550723, 6455860, 7101446, 12911720, 14202892, 17753615, 28405784, 35507230, 71014460, 142028920]

約数ペア:

[(1, 142028920), (2, 71014460), (4, 35507230), (5, 28405784), (8, 17753615), (10, 14202892), (11, 12911720), (20, 7101446), (22, 6455860), (40, 3550723), (41, 3464120), (44, 3227930), (55, 2582344), (82, 1732060), (88, 1613965), (110, 1291172), (164, 866030), (205, 692824), (220, 645586), (328, 433015), (410, 346412), (440, 322793), (451, 314920), (820, 173206), (902, 157460), (1640, 86603), (1804, 78730), (2255, 62984), (3608, 39365), (4510, 31492), (7873, 18040), (9020, 15746)]