71867750

素因数分解:

$2^1\times 5^3\times {\mathrm{389}}^1\times {\mathrm{739}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 135064800

約数和(自身を除く): 63197050

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 389, 739, 778, 1478, 1945, 3695, 3890, 7390, 9725, 18475, 19450, 36950, 48625, 92375, 97250, 184750, 287471, 574942, 1437355, 2874710, 7186775, 14373550, 35933875, 71867750]

約数ペア:

[(1, 71867750), (2, 35933875), (5, 14373550), (10, 7186775), (25, 2874710), (50, 1437355), (125, 574942), (250, 287471), (389, 184750), (739, 97250), (778, 92375), (1478, 48625), (1945, 36950), (3695, 19450), (3890, 18475), (7390, 9725)]