84121250

素因数分解:

$2^1\times 5^4\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:584

約数の個数: 40

約数和(自身を含む): 158995980

約数和(自身を除く): 74874730

約数列:

[1, 2, 5, 10, 25, 50, 125, 173, 250, 346, 389, 625, 778, 865, 1250, 1730, 1945, 3890, 4325, 8650, 9725, 19450, 21625, 43250, 48625, 67297, 97250, 108125, 134594, 216250, 243125, 336485, 486250, 672970, 1682425, 3364850, 8412125, 16824250, 42060625, 84121250]

約数ペア:

[(1, 84121250), (2, 42060625), (5, 16824250), (10, 8412125), (25, 3364850), (50, 1682425), (125, 672970), (173, 486250), (250, 336485), (346, 243125), (389, 216250), (625, 134594), (778, 108125), (865, 97250), (1250, 67297), (1730, 48625), (1945, 43250), (3890, 21625), (4325, 19450), (8650, 9725)]