1178668820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 3145734144

約数和(自身を除く): 1967065324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 47, 68, 70, 82, 85, 94, 119, 140, 164, 170, 188, 205, 235, 238, 257, 287, 329, 340, 410, 470, 476, 514, 574, 595, 658, 697, 799, 820, 940, 1028, 1148, 1190, 1285, 1316, 1394, 1435, 1598, 1645, 1799, 1927, 2380, 2570, 2788, 2870, 3196, 3290, 3485, 3598, 3854, 3995, 4369, 4879, 5140, 5593, 5740, 6580, 6970, 7196, 7708, 7990, 8738, 8995, 9635, 9758, 10537, 11186, 12079, 13489, 13940, 15980, 17476, 17990, 19270, 19516, 21074, 21845, 22372, 24158, 24395, 26978, 27965, 30583, 32759, 35980, 38540, 42148, 43690, 48316, 48790, 52685, 53956, 55930, 60395, 61166, 65518, 67445, 73759, 84553, 87380, 97580, 105370, 111860, 120790, 122332, 131036, 134890, 147518, 152915, 163795, 169106, 179129, 205343, 210740, 229313, 241580, 269780, 295036, 305830, 327590, 338212, 358258, 368795, 410686, 422765, 458626, 495239, 611660, 655180, 716516, 737590, 821372, 845530, 895645, 917252, 990478, 1026715, 1146565, 1253903, 1437401, 1475180, 1691060, 1791290, 1980956, 2053430, 2293130, 2476195, 2507806, 2874802, 3466673, 3582580, 4106860, 4586260, 4952390, 5015612, 5749604, 6269515, 6933346, 7187005, 8419063, 9904780, 12539030, 13866692, 14374010, 16838126, 17333365, 25078060, 28748020, 33676252, 34666730, 42095315, 58933441, 69333460, 84190630, 117866882, 168381260, 235733764, 294667205, 589334410, 1178668820]

約数ペア:

[(1, 1178668820), (2, 589334410), (4, 294667205), (5, 235733764), (7, 168381260), (10, 117866882), (14, 84190630), (17, 69333460), (20, 58933441), (28, 42095315), (34, 34666730), (35, 33676252), (41, 28748020), (47, 25078060), (68, 17333365), (70, 16838126), (82, 14374010), (85, 13866692), (94, 12539030), (119, 9904780), (140, 8419063), (164, 7187005), (170, 6933346), (188, 6269515), (205, 5749604), (235, 5015612), (238, 4952390), (257, 4586260), (287, 4106860), (329, 3582580), (340, 3466673), (410, 2874802), (470, 2507806), (476, 2476195), (514, 2293130), (574, 2053430), (595, 1980956), (658, 1791290), (697, 1691060), (799, 1475180), (820, 1437401), (940, 1253903), (1028, 1146565), (1148, 1026715), (1190, 990478), (1285, 917252), (1316, 895645), (1394, 845530), (1435, 821372), (1598, 737590), (1645, 716516), (1799, 655180), (1927, 611660), (2380, 495239), (2570, 458626), (2788, 422765), (2870, 410686), (3196, 368795), (3290, 358258), (3485, 338212), (3598, 327590), (3854, 305830), (3995, 295036), (4369, 269780), (4879, 241580), (5140, 229313), (5593, 210740), (5740, 205343), (6580, 179129), (6970, 169106), (7196, 163795), (7708, 152915), (7990, 147518), (8738, 134890), (8995, 131036), (9635, 122332), (9758, 120790), (10537, 111860), (11186, 105370), (12079, 97580), (13489, 87380), (13940, 84553), (15980, 73759), (17476, 67445), (17990, 65518), (19270, 61166), (19516, 60395), (21074, 55930), (21845, 53956), (22372, 52685), (24158, 48790), (24395, 48316), (26978, 43690), (27965, 42148), (30583, 38540), (32759, 35980)]