211732020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 676166400

約数和(自身を除く): 464434380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 199, 207, 230, 257, 276, 345, 398, 414, 460, 514, 597, 690, 771, 796, 828, 995, 1028, 1035, 1194, 1285, 1380, 1542, 1791, 1990, 2070, 2313, 2388, 2570, 2985, 3084, 3582, 3855, 3980, 4140, 4577, 4626, 5140, 5911, 5970, 7164, 7710, 8955, 9154, 9252, 11565, 11822, 11940, 13731, 15420, 17733, 17910, 18308, 22885, 23130, 23644, 27462, 29555, 35466, 35820, 41193, 45770, 46260, 51143, 53199, 54924, 59110, 68655, 70932, 82386, 88665, 91540, 102286, 106398, 118220, 137310, 153429, 164772, 177330, 204572, 205965, 212796, 255715, 265995, 274620, 306858, 354660, 411930, 460287, 511430, 531990, 613716, 767145, 823860, 920574, 1022860, 1063980, 1176289, 1534290, 1841148, 2301435, 2352578, 3068580, 3528867, 4602870, 4705156, 5881445, 7057734, 9205740, 10586601, 11762890, 14115468, 17644335, 21173202, 23525780, 35288670, 42346404, 52933005, 70577340, 105866010, 211732020]

約数ペア:

[(1, 211732020), (2, 105866010), (3, 70577340), (4, 52933005), (5, 42346404), (6, 35288670), (9, 23525780), (10, 21173202), (12, 17644335), (15, 14115468), (18, 11762890), (20, 10586601), (23, 9205740), (30, 7057734), (36, 5881445), (45, 4705156), (46, 4602870), (60, 3528867), (69, 3068580), (90, 2352578), (92, 2301435), (115, 1841148), (138, 1534290), (180, 1176289), (199, 1063980), (207, 1022860), (230, 920574), (257, 823860), (276, 767145), (345, 613716), (398, 531990), (414, 511430), (460, 460287), (514, 411930), (597, 354660), (690, 306858), (771, 274620), (796, 265995), (828, 255715), (995, 212796), (1028, 205965), (1035, 204572), (1194, 177330), (1285, 164772), (1380, 153429), (1542, 137310), (1791, 118220), (1990, 106398), (2070, 102286), (2313, 91540), (2388, 88665), (2570, 82386), (2985, 70932), (3084, 68655), (3582, 59110), (3855, 54924), (3980, 53199), (4140, 51143), (4577, 46260), (4626, 45770), (5140, 41193), (5911, 35820), (5970, 35466), (7164, 29555), (7710, 27462), (8955, 23644), (9154, 23130), (9252, 22885), (11565, 18308), (11822, 17910), (11940, 17733), (13731, 15420)]