290465440

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{34253}}^1$

素因数の和:34321

約数の個数: 48

約数和(自身を含む): 699192648

約数和(自身を除く): 408727208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 34253, 68506, 137012, 171265, 274024, 342530, 548048, 685060, 1096096, 1370120, 1815409, 2740240, 3630818, 5480480, 7261636, 9077045, 14523272, 18154090, 29046544, 36308180, 58093088, 72616360, 145232720, 290465440]

約数ペア:

[(1, 290465440), (2, 145232720), (4, 72616360), (5, 58093088), (8, 36308180), (10, 29046544), (16, 18154090), (20, 14523272), (32, 9077045), (40, 7261636), (53, 5480480), (80, 3630818), (106, 2740240), (160, 1815409), (212, 1370120), (265, 1096096), (424, 685060), (530, 548048), (848, 342530), (1060, 274024), (1696, 171265), (2120, 137012), (4240, 68506), (8480, 34253)]