198541640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 551577600

約数和(自身を除く): 353035960

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 121, 127, 136, 152, 170, 187, 190, 209, 220, 242, 254, 323, 340, 374, 380, 418, 440, 484, 508, 605, 635, 646, 680, 748, 760, 836, 935, 968, 1016, 1045, 1210, 1270, 1292, 1397, 1496, 1615, 1672, 1870, 2057, 2090, 2159, 2299, 2413, 2420, 2540, 2584, 2794, 3230, 3553, 3740, 4114, 4180, 4318, 4598, 4826, 4840, 5080, 5588, 6460, 6985, 7106, 7480, 8228, 8360, 8636, 9196, 9652, 10285, 10795, 11176, 11495, 12065, 12920, 13970, 14212, 15367, 16456, 17272, 17765, 18392, 19304, 20570, 21590, 22990, 23749, 24130, 26543, 27940, 28424, 30734, 35530, 39083, 41021, 41140, 43180, 45980, 47498, 48260, 53086, 55880, 61468, 71060, 76835, 78166, 82042, 82280, 86360, 91960, 94996, 96520, 106172, 118745, 122936, 132715, 142120, 153670, 156332, 164084, 189992, 195415, 205105, 212344, 237490, 261239, 265430, 291973, 307340, 312664, 328168, 390830, 410210, 451231, 474980, 522478, 530860, 583946, 614680, 781660, 820420, 902462, 949960, 1044956, 1061720, 1167892, 1306195, 1459865, 1563320, 1640840, 1804924, 2089912, 2256155, 2335784, 2612390, 2919730, 3609848, 4512310, 4963541, 5224780, 5839460, 9024620, 9927082, 10449560, 11678920, 18049240, 19854164, 24817705, 39708328, 49635410, 99270820, 198541640]

約数ペア:

[(1, 198541640), (2, 99270820), (4, 49635410), (5, 39708328), (8, 24817705), (10, 19854164), (11, 18049240), (17, 11678920), (19, 10449560), (20, 9927082), (22, 9024620), (34, 5839460), (38, 5224780), (40, 4963541), (44, 4512310), (55, 3609848), (68, 2919730), (76, 2612390), (85, 2335784), (88, 2256155), (95, 2089912), (110, 1804924), (121, 1640840), (127, 1563320), (136, 1459865), (152, 1306195), (170, 1167892), (187, 1061720), (190, 1044956), (209, 949960), (220, 902462), (242, 820420), (254, 781660), (323, 614680), (340, 583946), (374, 530860), (380, 522478), (418, 474980), (440, 451231), (484, 410210), (508, 390830), (605, 328168), (635, 312664), (646, 307340), (680, 291973), (748, 265430), (760, 261239), (836, 237490), (935, 212344), (968, 205105), (1016, 195415), (1045, 189992), (1210, 164084), (1270, 156332), (1292, 153670), (1397, 142120), (1496, 132715), (1615, 122936), (1672, 118745), (1870, 106172), (2057, 96520), (2090, 94996), (2159, 91960), (2299, 86360), (2413, 82280), (2420, 82042), (2540, 78166), (2584, 76835), (2794, 71060), (3230, 61468), (3553, 55880), (3740, 53086), (4114, 48260), (4180, 47498), (4318, 45980), (4598, 43180), (4826, 41140), (4840, 41021), (5080, 39083), (5588, 35530), (6460, 30734), (6985, 28424), (7106, 27940), (7480, 26543), (8228, 24130), (8360, 23749), (8636, 22990), (9196, 21590), (9652, 20570), (10285, 19304), (10795, 18392), (11176, 17765), (11495, 17272), (12065, 16456), (12920, 15367), (13970, 14212)]