2778403840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:412

約数の個数: 176

約数和(自身を含む): 7138986192

約数和(自身を除く): 4360582352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 137, 160, 170, 233, 256, 272, 274, 320, 340, 466, 512, 544, 548, 640, 680, 685, 932, 1024, 1088, 1096, 1165, 1280, 1360, 1370, 1864, 2176, 2192, 2329, 2330, 2560, 2720, 2740, 3728, 3961, 4352, 4384, 4658, 4660, 5120, 5440, 5480, 7456, 7922, 8704, 8768, 9316, 9320, 10880, 10960, 11645, 14912, 15844, 17408, 17536, 18632, 18640, 19805, 21760, 21920, 23290, 29824, 31688, 31921, 35072, 37264, 37280, 39610, 43520, 43840, 46580, 59648, 63376, 63842, 70144, 74528, 74560, 79220, 87040, 87680, 93160, 119296, 126752, 127684, 140288, 149056, 149120, 158440, 159605, 175360, 186320, 238592, 253504, 255368, 298112, 298240, 316880, 319210, 350720, 372640, 507008, 510736, 542657, 596224, 596480, 633760, 638420, 701440, 745280, 1014016, 1021472, 1085314, 1192448, 1192960, 1267520, 1276840, 1490560, 2028032, 2042944, 2170628, 2384896, 2535040, 2553680, 2713285, 2981120, 4056064, 4085888, 4341256, 5070080, 5107360, 5426570, 5962240, 8171776, 8682512, 10140160, 10214720, 10853140, 11924480, 16343552, 17365024, 20280320, 20429440, 21706280, 32687104, 34730048, 40858880, 43412560, 69460096, 81717760, 86825120, 138920192, 163435520, 173650240, 277840384, 347300480, 555680768, 694600960, 1389201920, 2778403840]

約数ペア:

[(1, 2778403840), (2, 1389201920), (4, 694600960), (5, 555680768), (8, 347300480), (10, 277840384), (16, 173650240), (17, 163435520), (20, 138920192), (32, 86825120), (34, 81717760), (40, 69460096), (64, 43412560), (68, 40858880), (80, 34730048), (85, 32687104), (128, 21706280), (136, 20429440), (137, 20280320), (160, 17365024), (170, 16343552), (233, 11924480), (256, 10853140), (272, 10214720), (274, 10140160), (320, 8682512), (340, 8171776), (466, 5962240), (512, 5426570), (544, 5107360), (548, 5070080), (640, 4341256), (680, 4085888), (685, 4056064), (932, 2981120), (1024, 2713285), (1088, 2553680), (1096, 2535040), (1165, 2384896), (1280, 2170628), (1360, 2042944), (1370, 2028032), (1864, 1490560), (2176, 1276840), (2192, 1267520), (2329, 1192960), (2330, 1192448), (2560, 1085314), (2720, 1021472), (2740, 1014016), (3728, 745280), (3961, 701440), (4352, 638420), (4384, 633760), (4658, 596480), (4660, 596224), (5120, 542657), (5440, 510736), (5480, 507008), (7456, 372640), (7922, 350720), (8704, 319210), (8768, 316880), (9316, 298240), (9320, 298112), (10880, 255368), (10960, 253504), (11645, 238592), (14912, 186320), (15844, 175360), (17408, 159605), (17536, 158440), (18632, 149120), (18640, 149056), (19805, 140288), (21760, 127684), (21920, 126752), (23290, 119296), (29824, 93160), (31688, 87680), (31921, 87040), (35072, 79220), (37264, 74560), (37280, 74528), (39610, 70144), (43520, 63842), (43840, 63376), (46580, 59648)]