208555600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 180

約数和(自身を含む): 572602240

約数和(自身を除く): 364046640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 121, 124, 139, 155, 176, 200, 220, 242, 248, 275, 278, 310, 341, 400, 440, 484, 496, 550, 556, 605, 620, 682, 695, 775, 880, 968, 1100, 1112, 1210, 1240, 1364, 1390, 1529, 1550, 1705, 1936, 2200, 2224, 2420, 2480, 2728, 2780, 3025, 3058, 3100, 3410, 3475, 3751, 4309, 4400, 4840, 5456, 5560, 6050, 6116, 6200, 6820, 6950, 7502, 7645, 8525, 8618, 9680, 11120, 12100, 12232, 12400, 13640, 13900, 15004, 15290, 16819, 17050, 17236, 18755, 21545, 24200, 24464, 27280, 27800, 30008, 30580, 33638, 34100, 34472, 37510, 38225, 43090, 47399, 48400, 55600, 60016, 61160, 67276, 68200, 68944, 75020, 76450, 84095, 86180, 93775, 94798, 107725, 122320, 134552, 136400, 150040, 152900, 168190, 172360, 187550, 189596, 215450, 236995, 269104, 300080, 305800, 336380, 344720, 375100, 379192, 420475, 430900, 473990, 521389, 611600, 672760, 750200, 758384, 840950, 861800, 947980, 1042778, 1184975, 1345520, 1500400, 1681900, 1723600, 1895960, 2085556, 2369950, 2606945, 3363800, 3791920, 4171112, 4739900, 5213890, 6727600, 8342224, 9479800, 10427780, 13034725, 18959600, 20855560, 26069450, 41711120, 52138900, 104277800, 208555600]

約数ペア:

[(1, 208555600), (2, 104277800), (4, 52138900), (5, 41711120), (8, 26069450), (10, 20855560), (11, 18959600), (16, 13034725), (20, 10427780), (22, 9479800), (25, 8342224), (31, 6727600), (40, 5213890), (44, 4739900), (50, 4171112), (55, 3791920), (62, 3363800), (80, 2606945), (88, 2369950), (100, 2085556), (110, 1895960), (121, 1723600), (124, 1681900), (139, 1500400), (155, 1345520), (176, 1184975), (200, 1042778), (220, 947980), (242, 861800), (248, 840950), (275, 758384), (278, 750200), (310, 672760), (341, 611600), (400, 521389), (440, 473990), (484, 430900), (496, 420475), (550, 379192), (556, 375100), (605, 344720), (620, 336380), (682, 305800), (695, 300080), (775, 269104), (880, 236995), (968, 215450), (1100, 189596), (1112, 187550), (1210, 172360), (1240, 168190), (1364, 152900), (1390, 150040), (1529, 136400), (1550, 134552), (1705, 122320), (1936, 107725), (2200, 94798), (2224, 93775), (2420, 86180), (2480, 84095), (2728, 76450), (2780, 75020), (3025, 68944), (3058, 68200), (3100, 67276), (3410, 61160), (3475, 60016), (3751, 55600), (4309, 48400), (4400, 47399), (4840, 43090), (5456, 38225), (5560, 37510), (6050, 34472), (6116, 34100), (6200, 33638), (6820, 30580), (6950, 30008), (7502, 27800), (7645, 27280), (8525, 24464), (8618, 24200), (9680, 21545), (11120, 18755), (12100, 17236), (12232, 17050), (12400, 16819), (13640, 15290), (13900, 15004)]