208000380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 699052032

約数和(自身を除く): 491051652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 47, 60, 70, 82, 84, 94, 105, 123, 140, 141, 164, 188, 205, 210, 235, 246, 257, 282, 287, 329, 410, 420, 470, 492, 514, 564, 574, 615, 658, 705, 771, 820, 861, 940, 987, 1028, 1148, 1230, 1285, 1316, 1410, 1435, 1542, 1645, 1722, 1799, 1927, 1974, 2460, 2570, 2820, 2870, 3084, 3290, 3444, 3598, 3854, 3855, 3948, 4305, 4935, 5140, 5397, 5740, 5781, 6580, 7196, 7708, 7710, 8610, 8995, 9635, 9870, 10537, 10794, 11562, 12079, 13489, 15420, 17220, 17990, 19270, 19740, 21074, 21588, 23124, 24158, 26978, 26985, 28905, 31611, 35980, 36237, 38540, 40467, 42148, 48316, 52685, 53956, 53970, 57810, 60395, 63222, 67445, 72474, 73759, 80934, 84553, 105370, 107940, 115620, 120790, 126444, 134890, 144948, 147518, 158055, 161868, 169106, 181185, 202335, 210740, 221277, 241580, 253659, 269780, 295036, 316110, 338212, 362370, 368795, 404670, 422765, 442554, 495239, 507318, 632220, 724740, 737590, 809340, 845530, 885108, 990478, 1014636, 1106385, 1268295, 1475180, 1485717, 1691060, 1980956, 2212770, 2476195, 2536590, 2971434, 3466673, 4425540, 4952390, 5073180, 5942868, 6933346, 7428585, 9904780, 10400019, 13866692, 14857170, 17333365, 20800038, 29714340, 34666730, 41600076, 52000095, 69333460, 104000190, 208000380]

約数ペア:

[(1, 208000380), (2, 104000190), (3, 69333460), (4, 52000095), (5, 41600076), (6, 34666730), (7, 29714340), (10, 20800038), (12, 17333365), (14, 14857170), (15, 13866692), (20, 10400019), (21, 9904780), (28, 7428585), (30, 6933346), (35, 5942868), (41, 5073180), (42, 4952390), (47, 4425540), (60, 3466673), (70, 2971434), (82, 2536590), (84, 2476195), (94, 2212770), (105, 1980956), (123, 1691060), (140, 1485717), (141, 1475180), (164, 1268295), (188, 1106385), (205, 1014636), (210, 990478), (235, 885108), (246, 845530), (257, 809340), (282, 737590), (287, 724740), (329, 632220), (410, 507318), (420, 495239), (470, 442554), (492, 422765), (514, 404670), (564, 368795), (574, 362370), (615, 338212), (658, 316110), (705, 295036), (771, 269780), (820, 253659), (861, 241580), (940, 221277), (987, 210740), (1028, 202335), (1148, 181185), (1230, 169106), (1285, 161868), (1316, 158055), (1410, 147518), (1435, 144948), (1542, 134890), (1645, 126444), (1722, 120790), (1799, 115620), (1927, 107940), (1974, 105370), (2460, 84553), (2570, 80934), (2820, 73759), (2870, 72474), (3084, 67445), (3290, 63222), (3444, 60395), (3598, 57810), (3854, 53970), (3855, 53956), (3948, 52685), (4305, 48316), (4935, 42148), (5140, 40467), (5397, 38540), (5740, 36237), (5781, 35980), (6580, 31611), (7196, 28905), (7708, 26985), (7710, 26978), (8610, 24158), (8995, 23124), (9635, 21588), (9870, 21074), (10537, 19740), (10794, 19270), (11562, 17990), (12079, 17220), (13489, 15420)]