28375410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 80438400

約数和(自身を除く): 52062990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 97, 98, 105, 147, 194, 199, 210, 245, 291, 294, 398, 485, 490, 582, 597, 679, 735, 970, 995, 1194, 1358, 1393, 1455, 1470, 1990, 2037, 2786, 2910, 2985, 3395, 4074, 4179, 4753, 5970, 6790, 6965, 8358, 9506, 9751, 10185, 13930, 14259, 19303, 19502, 20370, 20895, 23765, 28518, 29253, 38606, 41790, 47530, 48755, 57909, 58506, 71295, 96515, 97510, 115818, 135121, 142590, 146265, 193030, 270242, 289545, 292530, 405363, 579090, 675605, 810726, 945847, 1351210, 1891694, 2026815, 2837541, 4053630, 4729235, 5675082, 9458470, 14187705, 28375410]

約数ペア:

[(1, 28375410), (2, 14187705), (3, 9458470), (5, 5675082), (6, 4729235), (7, 4053630), (10, 2837541), (14, 2026815), (15, 1891694), (21, 1351210), (30, 945847), (35, 810726), (42, 675605), (49, 579090), (70, 405363), (97, 292530), (98, 289545), (105, 270242), (147, 193030), (194, 146265), (199, 142590), (210, 135121), (245, 115818), (291, 97510), (294, 96515), (398, 71295), (485, 58506), (490, 57909), (582, 48755), (597, 47530), (679, 41790), (735, 38606), (970, 29253), (995, 28518), (1194, 23765), (1358, 20895), (1393, 20370), (1455, 19502), (1470, 19303), (1990, 14259), (2037, 13930), (2786, 10185), (2910, 9751), (2985, 9506), (3395, 8358), (4074, 6965), (4179, 6790), (4753, 5970)]