212901420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 608707008

約数和(自身を除く): 395805588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 157, 194, 233, 291, 314, 388, 466, 471, 485, 582, 628, 699, 785, 932, 942, 970, 1164, 1165, 1398, 1455, 1570, 1884, 1940, 2330, 2355, 2796, 2910, 3140, 3495, 4660, 4710, 5820, 6990, 9420, 13980, 15229, 22601, 30458, 36581, 45202, 45687, 60916, 67803, 73162, 76145, 90404, 91374, 109743, 113005, 135606, 146324, 152290, 182748, 182905, 219486, 226010, 228435, 271212, 304580, 339015, 365810, 438972, 452020, 456870, 548715, 678030, 731620, 913740, 1097430, 1356060, 2194860, 3548357, 7096714, 10645071, 14193428, 17741785, 21290142, 35483570, 42580284, 53225355, 70967140, 106450710, 212901420]

約数ペア:

[(1, 212901420), (2, 106450710), (3, 70967140), (4, 53225355), (5, 42580284), (6, 35483570), (10, 21290142), (12, 17741785), (15, 14193428), (20, 10645071), (30, 7096714), (60, 3548357), (97, 2194860), (157, 1356060), (194, 1097430), (233, 913740), (291, 731620), (314, 678030), (388, 548715), (466, 456870), (471, 452020), (485, 438972), (582, 365810), (628, 339015), (699, 304580), (785, 271212), (932, 228435), (942, 226010), (970, 219486), (1164, 182905), (1165, 182748), (1398, 152290), (1455, 146324), (1570, 135606), (1884, 113005), (1940, 109743), (2330, 91374), (2355, 90404), (2796, 76145), (2910, 73162), (3140, 67803), (3495, 60916), (4660, 45687), (4710, 45202), (5820, 36581), (6990, 30458), (9420, 22601), (13980, 15229)]