201851440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 575677440

約数和(自身を除く): 373826000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 80, 95, 112, 122, 133, 140, 152, 190, 244, 266, 280, 304, 305, 311, 380, 427, 488, 532, 560, 610, 622, 665, 760, 854, 976, 1064, 1159, 1220, 1244, 1330, 1520, 1555, 1708, 2128, 2135, 2177, 2318, 2440, 2488, 2660, 3110, 3416, 4270, 4354, 4636, 4880, 4976, 5320, 5795, 5909, 6220, 6832, 8113, 8540, 8708, 9272, 10640, 10885, 11590, 11818, 12440, 16226, 17080, 17416, 18544, 18971, 21770, 23180, 23636, 24880, 29545, 32452, 34160, 34832, 37942, 40565, 41363, 43540, 46360, 47272, 59090, 64904, 75884, 81130, 82726, 87080, 92720, 94544, 94855, 118180, 129808, 132797, 151768, 162260, 165452, 174160, 189710, 206815, 236360, 265594, 303536, 324520, 330904, 360449, 379420, 413630, 472720, 531188, 649040, 661808, 663985, 720898, 758840, 827260, 1062376, 1327970, 1441796, 1517680, 1654520, 1802245, 2124752, 2523143, 2655940, 2883592, 3309040, 3604490, 5046286, 5311880, 5767184, 7208980, 10092572, 10623760, 12615715, 14417960, 20185144, 25231430, 28835920, 40370288, 50462860, 100925720, 201851440]

約数ペア:

[(1, 201851440), (2, 100925720), (4, 50462860), (5, 40370288), (7, 28835920), (8, 25231430), (10, 20185144), (14, 14417960), (16, 12615715), (19, 10623760), (20, 10092572), (28, 7208980), (35, 5767184), (38, 5311880), (40, 5046286), (56, 3604490), (61, 3309040), (70, 2883592), (76, 2655940), (80, 2523143), (95, 2124752), (112, 1802245), (122, 1654520), (133, 1517680), (140, 1441796), (152, 1327970), (190, 1062376), (244, 827260), (266, 758840), (280, 720898), (304, 663985), (305, 661808), (311, 649040), (380, 531188), (427, 472720), (488, 413630), (532, 379420), (560, 360449), (610, 330904), (622, 324520), (665, 303536), (760, 265594), (854, 236360), (976, 206815), (1064, 189710), (1159, 174160), (1220, 165452), (1244, 162260), (1330, 151768), (1520, 132797), (1555, 129808), (1708, 118180), (2128, 94855), (2135, 94544), (2177, 92720), (2318, 87080), (2440, 82726), (2488, 81130), (2660, 75884), (3110, 64904), (3416, 59090), (4270, 47272), (4354, 46360), (4636, 43540), (4880, 41363), (4976, 40565), (5320, 37942), (5795, 34832), (5909, 34160), (6220, 32452), (6832, 29545), (8113, 24880), (8540, 23636), (8708, 23180), (9272, 21770), (10640, 18971), (10885, 18544), (11590, 17416), (11818, 17080), (12440, 16226)]