129390625

素因数分解:

$5^6\times 7^2\times {\mathrm{13}}^2$

素因数の和:70

約数の個数: 63

約数和(自身を含む): 203727861

約数和(自身を除く): 74337236

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 125, 169, 175, 245, 325, 455, 625, 637, 845, 875, 1183, 1225, 1625, 2275, 3125, 3185, 4225, 4375, 5915, 6125, 8125, 8281, 11375, 15625, 15925, 21125, 21875, 29575, 30625, 40625, 41405, 56875, 79625, 105625, 109375, 147875, 153125, 203125, 207025, 284375, 398125, 528125, 739375, 765625, 1035125, 1421875, 1990625, 2640625, 3696875, 5175625, 9953125, 18484375, 25878125, 129390625]

約数ペア:

[(1, 129390625), (5, 25878125), (7, 18484375), (13, 9953125), (25, 5175625), (35, 3696875), (49, 2640625), (65, 1990625), (91, 1421875), (125, 1035125), (169, 765625), (175, 739375), (245, 528125), (325, 398125), (455, 284375), (625, 207025), (637, 203125), (845, 153125), (875, 147875), (1183, 109375), (1225, 105625), (1625, 79625), (2275, 56875), (3125, 41405), (3185, 40625), (4225, 30625), (4375, 29575), (5915, 21875), (6125, 21125), (8125, 15925), (8281, 15625)]