251446720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{112253}}^1$

素因数の和:112277

約数の個数: 56

約数和(自身を含む): 684300384

約数和(自身を除く): 432853664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 112253, 224506, 449012, 561265, 785771, 898024, 1122530, 1571542, 1796048, 2245060, 3143084, 3592096, 3928855, 4490120, 6286168, 7184192, 7857710, 8980240, 12572336, 15715420, 17960480, 25144672, 31430840, 35920960, 50289344, 62861680, 125723360, 251446720]

約数ペア:

[(1, 251446720), (2, 125723360), (4, 62861680), (5, 50289344), (7, 35920960), (8, 31430840), (10, 25144672), (14, 17960480), (16, 15715420), (20, 12572336), (28, 8980240), (32, 7857710), (35, 7184192), (40, 6286168), (56, 4490120), (64, 3928855), (70, 3592096), (80, 3143084), (112, 2245060), (140, 1796048), (160, 1571542), (224, 1122530), (280, 898024), (320, 785771), (448, 561265), (560, 449012), (1120, 224506), (2240, 112253)]