990961872

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{35051}}^1$

素因数の和:35112

約数の個数: 80

約数和(自身を含む): 2781726720

約数和(自身を除く): 1790764848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 9424, 14136, 28272, 35051, 70102, 105153, 140204, 210306, 280408, 420612, 560816, 665969, 841224, 1086581, 1331938, 1682448, 1997907, 2173162, 2663876, 3259743, 3995814, 4346324, 5327752, 6519486, 7991628, 8692648, 10655504, 13038972, 15983256, 17385296, 20645039, 26077944, 31966512, 41290078, 52155888, 61935117, 82580156, 123870234, 165160312, 247740468, 330320624, 495480936, 990961872]

約数ペア:

[(1, 990961872), (2, 495480936), (3, 330320624), (4, 247740468), (6, 165160312), (8, 123870234), (12, 82580156), (16, 61935117), (19, 52155888), (24, 41290078), (31, 31966512), (38, 26077944), (48, 20645039), (57, 17385296), (62, 15983256), (76, 13038972), (93, 10655504), (114, 8692648), (124, 7991628), (152, 6519486), (186, 5327752), (228, 4346324), (248, 3995814), (304, 3259743), (372, 2663876), (456, 2173162), (496, 1997907), (589, 1682448), (744, 1331938), (912, 1086581), (1178, 841224), (1488, 665969), (1767, 560816), (2356, 420612), (3534, 280408), (4712, 210306), (7068, 140204), (9424, 105153), (14136, 70102), (28272, 35051)]