78725100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 228697168

約数和(自身を除く): 149972068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 397, 661, 794, 1191, 1322, 1588, 1983, 1985, 2382, 2644, 3305, 3966, 3970, 4764, 5955, 6610, 7932, 7940, 9915, 9925, 11910, 13220, 16525, 19830, 19850, 23820, 29775, 33050, 39660, 39700, 49575, 59550, 66100, 99150, 119100, 198300, 262417, 524834, 787251, 1049668, 1312085, 1574502, 2624170, 3149004, 3936255, 5248340, 6560425, 7872510, 13120850, 15745020, 19681275, 26241700, 39362550, 78725100]

約数ペア:

[(1, 78725100), (2, 39362550), (3, 26241700), (4, 19681275), (5, 15745020), (6, 13120850), (10, 7872510), (12, 6560425), (15, 5248340), (20, 3936255), (25, 3149004), (30, 2624170), (50, 1574502), (60, 1312085), (75, 1049668), (100, 787251), (150, 524834), (300, 262417), (397, 198300), (661, 119100), (794, 99150), (1191, 66100), (1322, 59550), (1588, 49575), (1983, 39700), (1985, 39660), (2382, 33050), (2644, 29775), (3305, 23820), (3966, 19850), (3970, 19830), (4764, 16525), (5955, 13220), (6610, 11910), (7932, 9925), (7940, 9915)]