18887100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 55131888

約数和(自身を除く): 36244788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 157, 300, 314, 401, 471, 628, 785, 802, 942, 1203, 1570, 1604, 1884, 2005, 2355, 2406, 3140, 3925, 4010, 4710, 4812, 6015, 7850, 8020, 9420, 10025, 11775, 12030, 15700, 20050, 23550, 24060, 30075, 40100, 47100, 60150, 62957, 120300, 125914, 188871, 251828, 314785, 377742, 629570, 755484, 944355, 1259140, 1573925, 1888710, 3147850, 3777420, 4721775, 6295700, 9443550, 18887100]

約数ペア:

[(1, 18887100), (2, 9443550), (3, 6295700), (4, 4721775), (5, 3777420), (6, 3147850), (10, 1888710), (12, 1573925), (15, 1259140), (20, 944355), (25, 755484), (30, 629570), (50, 377742), (60, 314785), (75, 251828), (100, 188871), (150, 125914), (157, 120300), (300, 62957), (314, 60150), (401, 47100), (471, 40100), (628, 30075), (785, 24060), (802, 23550), (942, 20050), (1203, 15700), (1570, 12030), (1604, 11775), (1884, 10025), (2005, 9420), (2355, 8020), (2406, 7850), (3140, 6015), (3925, 4812), (4010, 4710)]