84789340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 185149440

約数和(自身を除く): 100360100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 839, 1630, 1678, 3260, 3356, 4195, 5053, 8390, 10106, 16780, 20212, 25265, 26009, 50530, 52018, 101060, 104036, 130045, 136757, 260090, 273514, 520180, 547028, 683785, 1367570, 2735140, 4239467, 8478934, 16957868, 21197335, 42394670, 84789340]

約数ペア:

[(1, 84789340), (2, 42394670), (4, 21197335), (5, 16957868), (10, 8478934), (20, 4239467), (31, 2735140), (62, 1367570), (124, 683785), (155, 547028), (163, 520180), (310, 273514), (326, 260090), (620, 136757), (652, 130045), (815, 104036), (839, 101060), (1630, 52018), (1678, 50530), (3260, 26009), (3356, 25265), (4195, 20212), (5053, 16780), (8390, 10106)]