489021625

素因数分解:

$5^3\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 624218400

約数和(自身を除く): 135196775

約数列:

[1, 5, 25, 89, 113, 125, 389, 445, 565, 1945, 2225, 2825, 9725, 10057, 11125, 14125, 34621, 43957, 48625, 50285, 173105, 219785, 251425, 865525, 1098925, 1257125, 3912173, 4327625, 5494625, 19560865, 97804325, 489021625]

約数ペア:

[(1, 489021625), (5, 97804325), (25, 19560865), (89, 5494625), (113, 4327625), (125, 3912173), (389, 1257125), (445, 1098925), (565, 865525), (1945, 251425), (2225, 219785), (2825, 173105), (9725, 50285), (10057, 48625), (11125, 43957), (14125, 34621)]