209190800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 180

約数和(自身を含む): 630373716

約数和(自身を除く): 421182916

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 130, 140, 175, 182, 196, 200, 208, 245, 260, 280, 325, 350, 364, 392, 400, 455, 490, 520, 560, 637, 650, 700, 728, 784, 821, 910, 980, 1040, 1225, 1274, 1300, 1400, 1456, 1642, 1820, 1960, 2275, 2450, 2548, 2600, 2800, 3185, 3284, 3640, 3920, 4105, 4550, 4900, 5096, 5200, 5747, 6370, 6568, 7280, 8210, 9100, 9800, 10192, 10673, 11494, 12740, 13136, 15925, 16420, 18200, 19600, 20525, 21346, 22988, 25480, 28735, 31850, 32840, 36400, 40229, 41050, 42692, 45976, 50960, 53365, 57470, 63700, 65680, 74711, 80458, 82100, 85384, 91952, 106730, 114940, 127400, 143675, 149422, 160916, 164200, 170768, 201145, 213460, 229880, 254800, 266825, 287350, 298844, 321832, 328400, 373555, 402290, 426920, 459760, 522977, 533650, 574700, 597688, 643664, 747110, 804580, 853840, 1005725, 1045954, 1067300, 1149400, 1195376, 1494220, 1609160, 1867775, 2011450, 2091908, 2134600, 2298800, 2614885, 2988440, 3218320, 3735550, 4022900, 4183816, 4269200, 5229770, 5976880, 7471100, 8045800, 8367632, 10459540, 13074425, 14942200, 16091600, 20919080, 26148850, 29884400, 41838160, 52297700, 104595400, 209190800]

約数ペア:

[(1, 209190800), (2, 104595400), (4, 52297700), (5, 41838160), (7, 29884400), (8, 26148850), (10, 20919080), (13, 16091600), (14, 14942200), (16, 13074425), (20, 10459540), (25, 8367632), (26, 8045800), (28, 7471100), (35, 5976880), (40, 5229770), (49, 4269200), (50, 4183816), (52, 4022900), (56, 3735550), (65, 3218320), (70, 2988440), (80, 2614885), (91, 2298800), (98, 2134600), (100, 2091908), (104, 2011450), (112, 1867775), (130, 1609160), (140, 1494220), (175, 1195376), (182, 1149400), (196, 1067300), (200, 1045954), (208, 1005725), (245, 853840), (260, 804580), (280, 747110), (325, 643664), (350, 597688), (364, 574700), (392, 533650), (400, 522977), (455, 459760), (490, 426920), (520, 402290), (560, 373555), (637, 328400), (650, 321832), (700, 298844), (728, 287350), (784, 266825), (821, 254800), (910, 229880), (980, 213460), (1040, 201145), (1225, 170768), (1274, 164200), (1300, 160916), (1400, 149422), (1456, 143675), (1642, 127400), (1820, 114940), (1960, 106730), (2275, 91952), (2450, 85384), (2548, 82100), (2600, 80458), (2800, 74711), (3185, 65680), (3284, 63700), (3640, 57470), (3920, 53365), (4105, 50960), (4550, 45976), (4900, 42692), (5096, 41050), (5200, 40229), (5747, 36400), (6370, 32840), (6568, 31850), (7280, 28735), (8210, 25480), (9100, 22988), (9800, 21346), (10192, 20525), (10673, 19600), (11494, 18200), (12740, 16420), (13136, 15925)]