979231720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{4363}}^1$

素因数の和:4586

約数の個数: 64

約数和(自身を含む): 2287434240

約数和(自身を除く): 1308202520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 248, 310, 362, 620, 724, 905, 1240, 1448, 1810, 3620, 4363, 5611, 7240, 8726, 11222, 17452, 21815, 22444, 28055, 34904, 43630, 44888, 56110, 87260, 112220, 135253, 174520, 224440, 270506, 541012, 676265, 789703, 1082024, 1352530, 1579406, 2705060, 3158812, 3948515, 5410120, 6317624, 7897030, 15794060, 24480793, 31588120, 48961586, 97923172, 122403965, 195846344, 244807930, 489615860, 979231720]

約数ペア:

[(1, 979231720), (2, 489615860), (4, 244807930), (5, 195846344), (8, 122403965), (10, 97923172), (20, 48961586), (31, 31588120), (40, 24480793), (62, 15794060), (124, 7897030), (155, 6317624), (181, 5410120), (248, 3948515), (310, 3158812), (362, 2705060), (620, 1579406), (724, 1352530), (905, 1082024), (1240, 789703), (1448, 676265), (1810, 541012), (3620, 270506), (4363, 224440), (5611, 174520), (7240, 135253), (8726, 112220), (11222, 87260), (17452, 56110), (21815, 44888), (22444, 43630), (28055, 34904)]