431323220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 922716480

約数和(自身を除く): 491393260

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 409, 670, 787, 818, 1340, 1574, 1636, 2045, 3148, 3935, 4090, 7870, 8180, 15740, 27403, 52729, 54806, 105458, 109612, 137015, 210916, 263645, 274030, 321883, 527290, 548060, 643766, 1054580, 1287532, 1609415, 3218830, 6437660, 21566161, 43132322, 86264644, 107830805, 215661610, 431323220]

約数ペア:

[(1, 431323220), (2, 215661610), (4, 107830805), (5, 86264644), (10, 43132322), (20, 21566161), (67, 6437660), (134, 3218830), (268, 1609415), (335, 1287532), (409, 1054580), (670, 643766), (787, 548060), (818, 527290), (1340, 321883), (1574, 274030), (1636, 263645), (2045, 210916), (3148, 137015), (3935, 109612), (4090, 105458), (7870, 54806), (8180, 52729), (15740, 27403)]