28269990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:1994

約数の個数: 96

約数和(自身を含む): 87699456

約数和(自身を除く): 59429466

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1610, 1951, 2070, 2415, 2898, 3902, 4830, 5853, 7245, 9755, 11706, 13657, 14490, 17559, 19510, 27314, 29265, 35118, 40971, 44873, 58530, 68285, 81942, 87795, 89746, 122913, 134619, 136570, 175590, 204855, 224365, 245826, 269238, 314111, 403857, 409710, 448730, 614565, 628222, 673095, 807714, 942333, 1229130, 1346190, 1570555, 1884666, 2019285, 2826999, 3141110, 4038570, 4711665, 5653998, 9423330, 14134995, 28269990]

約数ペア:

[(1, 28269990), (2, 14134995), (3, 9423330), (5, 5653998), (6, 4711665), (7, 4038570), (9, 3141110), (10, 2826999), (14, 2019285), (15, 1884666), (18, 1570555), (21, 1346190), (23, 1229130), (30, 942333), (35, 807714), (42, 673095), (45, 628222), (46, 614565), (63, 448730), (69, 409710), (70, 403857), (90, 314111), (105, 269238), (115, 245826), (126, 224365), (138, 204855), (161, 175590), (207, 136570), (210, 134619), (230, 122913), (315, 89746), (322, 87795), (345, 81942), (414, 68285), (483, 58530), (630, 44873), (690, 40971), (805, 35118), (966, 29265), (1035, 27314), (1449, 19510), (1610, 17559), (1951, 14490), (2070, 13657), (2415, 11706), (2898, 9755), (3902, 7245), (4830, 5853)]