28212900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 82286400

約数和(自身を除く): 54073500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 157, 300, 314, 471, 599, 628, 785, 942, 1198, 1570, 1797, 1884, 2355, 2396, 2995, 3140, 3594, 3925, 4710, 5990, 7188, 7850, 8985, 9420, 11775, 11980, 14975, 15700, 17970, 23550, 29950, 35940, 44925, 47100, 59900, 89850, 94043, 179700, 188086, 282129, 376172, 470215, 564258, 940430, 1128516, 1410645, 1880860, 2351075, 2821290, 4702150, 5642580, 7053225, 9404300, 14106450, 28212900]

約数ペア:

[(1, 28212900), (2, 14106450), (3, 9404300), (4, 7053225), (5, 5642580), (6, 4702150), (10, 2821290), (12, 2351075), (15, 1880860), (20, 1410645), (25, 1128516), (30, 940430), (50, 564258), (60, 470215), (75, 376172), (100, 282129), (150, 188086), (157, 179700), (300, 94043), (314, 89850), (471, 59900), (599, 47100), (628, 44925), (785, 35940), (942, 29950), (1198, 23550), (1570, 17970), (1797, 15700), (1884, 14975), (2355, 11980), (2396, 11775), (2995, 9420), (3140, 8985), (3594, 7850), (3925, 7188), (4710, 5990)]