1380455556

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:785

約数の個数: 96

約数和(自身を含む): 3483648000

約数和(自身を除く): 2103192444

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 71, 102, 142, 191, 204, 213, 284, 382, 426, 499, 573, 764, 852, 998, 1146, 1207, 1497, 1996, 2292, 2414, 2994, 3247, 3621, 4828, 5988, 6494, 7242, 8483, 9741, 12988, 13561, 14484, 16966, 19482, 25449, 27122, 33932, 35429, 38964, 40683, 50898, 54244, 70858, 81366, 95309, 101796, 106287, 141716, 162732, 190618, 212574, 230537, 285927, 381236, 425148, 461074, 571854, 602293, 691611, 922148, 1143708, 1204586, 1383222, 1620253, 1806879, 2409172, 2766444, 3240506, 3613758, 4860759, 6481012, 6766939, 7227516, 9721518, 13533878, 19443036, 20300817, 27067756, 40601634, 81203268, 115037963, 230075926, 345113889, 460151852, 690227778, 1380455556]

約数ペア:

[(1, 1380455556), (2, 690227778), (3, 460151852), (4, 345113889), (6, 230075926), (12, 115037963), (17, 81203268), (34, 40601634), (51, 27067756), (68, 20300817), (71, 19443036), (102, 13533878), (142, 9721518), (191, 7227516), (204, 6766939), (213, 6481012), (284, 4860759), (382, 3613758), (426, 3240506), (499, 2766444), (573, 2409172), (764, 1806879), (852, 1620253), (998, 1383222), (1146, 1204586), (1207, 1143708), (1497, 922148), (1996, 691611), (2292, 602293), (2414, 571854), (2994, 461074), (3247, 425148), (3621, 381236), (4828, 285927), (5988, 230537), (6494, 212574), (7242, 190618), (8483, 162732), (9741, 141716), (12988, 106287), (13561, 101796), (14484, 95309), (16966, 81366), (19482, 70858), (25449, 54244), (27122, 50898), (33932, 40683), (35429, 38964)]