490409712

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{261971}}^1$

素因数の和:261998

約数の個数: 60

約数和(自身を含む): 1478046024

約数和(自身を除く): 987636312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 261971, 523942, 785913, 1047884, 1571826, 2095768, 2357739, 3143652, 3405623, 4191536, 4715478, 6287304, 6811246, 9430956, 10216869, 12574608, 13622492, 18861912, 20433738, 27244984, 30650607, 37723824, 40867476, 54489968, 61301214, 81734952, 122602428, 163469904, 245204856, 490409712]

約数ペア:

[(1, 490409712), (2, 245204856), (3, 163469904), (4, 122602428), (6, 81734952), (8, 61301214), (9, 54489968), (12, 40867476), (13, 37723824), (16, 30650607), (18, 27244984), (24, 20433738), (26, 18861912), (36, 13622492), (39, 12574608), (48, 10216869), (52, 9430956), (72, 6811246), (78, 6287304), (104, 4715478), (117, 4191536), (144, 3405623), (156, 3143652), (208, 2357739), (234, 2095768), (312, 1571826), (468, 1047884), (624, 785913), (936, 523942), (1872, 261971)]