214949375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 295405440

約数和(自身を除く): 80456065

約数列:

[1, 5, 19, 23, 25, 95, 115, 125, 437, 475, 575, 625, 787, 2185, 2375, 2875, 3935, 10925, 11875, 14375, 14953, 18101, 19675, 54625, 74765, 90505, 98375, 273125, 343919, 373825, 452525, 491875, 1719595, 1869125, 2262625, 8597975, 9345625, 11313125, 42989875, 214949375]

約数ペア:

[(1, 214949375), (5, 42989875), (19, 11313125), (23, 9345625), (25, 8597975), (95, 2262625), (115, 1869125), (125, 1719595), (437, 491875), (475, 452525), (575, 373825), (625, 343919), (787, 273125), (2185, 98375), (2375, 90505), (2875, 74765), (3935, 54625), (10925, 19675), (11875, 18101), (14375, 14953)]