209555100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 180

約数和(自身を含む): 696965808

約数和(自身を除く): 487410708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 41, 45, 50, 54, 60, 75, 81, 82, 90, 100, 108, 123, 135, 150, 162, 164, 180, 205, 225, 246, 270, 300, 324, 369, 405, 410, 450, 492, 540, 615, 631, 675, 738, 810, 820, 900, 1025, 1107, 1230, 1262, 1350, 1476, 1620, 1845, 1893, 2025, 2050, 2214, 2460, 2524, 2700, 3075, 3155, 3321, 3690, 3786, 4050, 4100, 4428, 5535, 5679, 6150, 6310, 6642, 7380, 7572, 8100, 9225, 9465, 11070, 11358, 12300, 12620, 13284, 15775, 16605, 17037, 18450, 18930, 22140, 22716, 25871, 27675, 28395, 31550, 33210, 34074, 36900, 37860, 47325, 51111, 51742, 55350, 56790, 63100, 66420, 68148, 77613, 83025, 85185, 94650, 102222, 103484, 110700, 113580, 129355, 141975, 155226, 166050, 170370, 189300, 204444, 232839, 255555, 258710, 283950, 310452, 332100, 340740, 388065, 425925, 465678, 511110, 517420, 567900, 646775, 698517, 776130, 851850, 931356, 1022220, 1164195, 1277775, 1293550, 1397034, 1552260, 1703700, 1940325, 2095551, 2328390, 2555550, 2587100, 2794068, 3492585, 3880650, 4191102, 4656780, 5111100, 5820975, 6985170, 7761300, 8382204, 10477755, 11641950, 13970340, 17462925, 20955510, 23283900, 34925850, 41911020, 52388775, 69851700, 104777550, 209555100]

約数ペア:

[(1, 209555100), (2, 104777550), (3, 69851700), (4, 52388775), (5, 41911020), (6, 34925850), (9, 23283900), (10, 20955510), (12, 17462925), (15, 13970340), (18, 11641950), (20, 10477755), (25, 8382204), (27, 7761300), (30, 6985170), (36, 5820975), (41, 5111100), (45, 4656780), (50, 4191102), (54, 3880650), (60, 3492585), (75, 2794068), (81, 2587100), (82, 2555550), (90, 2328390), (100, 2095551), (108, 1940325), (123, 1703700), (135, 1552260), (150, 1397034), (162, 1293550), (164, 1277775), (180, 1164195), (205, 1022220), (225, 931356), (246, 851850), (270, 776130), (300, 698517), (324, 646775), (369, 567900), (405, 517420), (410, 511110), (450, 465678), (492, 425925), (540, 388065), (615, 340740), (631, 332100), (675, 310452), (738, 283950), (810, 258710), (820, 255555), (900, 232839), (1025, 204444), (1107, 189300), (1230, 170370), (1262, 166050), (1350, 155226), (1476, 141975), (1620, 129355), (1845, 113580), (1893, 110700), (2025, 103484), (2050, 102222), (2214, 94650), (2460, 85185), (2524, 83025), (2700, 77613), (3075, 68148), (3155, 66420), (3321, 63100), (3690, 56790), (3786, 55350), (4050, 51742), (4100, 51111), (4428, 47325), (5535, 37860), (5679, 36900), (6150, 34074), (6310, 33210), (6642, 31550), (7380, 28395), (7572, 27675), (8100, 25871), (9225, 22716), (9465, 22140), (11070, 18930), (11358, 18450), (12300, 17037), (12620, 16605), (13284, 15775)]