2811870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 7394400

約数和(自身を除く): 4582530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 199, 314, 398, 471, 597, 785, 942, 995, 1194, 1413, 1570, 1791, 1990, 2355, 2826, 2985, 3582, 4710, 5970, 7065, 8955, 14130, 17910, 31243, 62486, 93729, 156215, 187458, 281187, 312430, 468645, 562374, 937290, 1405935, 2811870]

約数ペア:

[(1, 2811870), (2, 1405935), (3, 937290), (5, 562374), (6, 468645), (9, 312430), (10, 281187), (15, 187458), (18, 156215), (30, 93729), (45, 62486), (90, 31243), (157, 17910), (199, 14130), (314, 8955), (398, 7065), (471, 5970), (597, 4710), (785, 3582), (942, 2985), (995, 2826), (1194, 2355), (1413, 1990), (1570, 1791)]