400842144

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{19603}}^1$

素因数の和:19690

約数の個数: 72

約数和(自身を含む): 1156008672

約数和(自身を除く): 755166528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 5112, 6816, 10224, 19603, 20448, 39206, 58809, 78412, 117618, 156824, 176427, 235236, 313648, 352854, 470472, 627296, 705708, 940944, 1391813, 1411416, 1881888, 2783626, 2822832, 4175439, 5567252, 5645664, 8350878, 11134504, 12526317, 16701756, 22269008, 25052634, 33403512, 44538016, 50105268, 66807024, 100210536, 133614048, 200421072, 400842144]

約数ペア:

[(1, 400842144), (2, 200421072), (3, 133614048), (4, 100210536), (6, 66807024), (8, 50105268), (9, 44538016), (12, 33403512), (16, 25052634), (18, 22269008), (24, 16701756), (32, 12526317), (36, 11134504), (48, 8350878), (71, 5645664), (72, 5567252), (96, 4175439), (142, 2822832), (144, 2783626), (213, 1881888), (284, 1411416), (288, 1391813), (426, 940944), (568, 705708), (639, 627296), (852, 470472), (1136, 352854), (1278, 313648), (1704, 235236), (2272, 176427), (2556, 156824), (3408, 117618), (5112, 78412), (6816, 58809), (10224, 39206), (19603, 20448)]