898192016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 1904640000

約数和(自身を除く): 1006447984

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 191, 248, 304, 382, 496, 499, 589, 764, 998, 1178, 1528, 1996, 2356, 3056, 3629, 3992, 4712, 5921, 7258, 7984, 9424, 9481, 11842, 14516, 15469, 18962, 23684, 29032, 30938, 37924, 47368, 58064, 61876, 75848, 94736, 95309, 112499, 123752, 151696, 190618, 224998, 247504, 293911, 381236, 449996, 587822, 762472, 899992, 1175644, 1524944, 1799984, 1810871, 2351288, 2954579, 3621742, 4702576, 5909158, 7243484, 11818316, 14486968, 23636632, 28973936, 47273264, 56137001, 112274002, 224548004, 449096008, 898192016]

約数ペア:

[(1, 898192016), (2, 449096008), (4, 224548004), (8, 112274002), (16, 56137001), (19, 47273264), (31, 28973936), (38, 23636632), (62, 14486968), (76, 11818316), (124, 7243484), (152, 5909158), (191, 4702576), (248, 3621742), (304, 2954579), (382, 2351288), (496, 1810871), (499, 1799984), (589, 1524944), (764, 1175644), (998, 899992), (1178, 762472), (1528, 587822), (1996, 449996), (2356, 381236), (3056, 293911), (3629, 247504), (3992, 224998), (4712, 190618), (5921, 151696), (7258, 123752), (7984, 112499), (9424, 95309), (9481, 94736), (11842, 75848), (14516, 61876), (15469, 58064), (18962, 47368), (23684, 37924), (29032, 30938)]