420888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 1209600

約数和(自身を除く): 788712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 71, 76, 78, 104, 114, 142, 152, 156, 213, 228, 247, 284, 312, 426, 456, 494, 568, 741, 852, 923, 988, 1349, 1482, 1704, 1846, 1976, 2698, 2769, 2964, 3692, 4047, 5396, 5538, 5928, 7384, 8094, 10792, 11076, 16188, 17537, 22152, 32376, 35074, 52611, 70148, 105222, 140296, 210444, 420888]

約数ペア:

[(1, 420888), (2, 210444), (3, 140296), (4, 105222), (6, 70148), (8, 52611), (12, 35074), (13, 32376), (19, 22152), (24, 17537), (26, 16188), (38, 11076), (39, 10792), (52, 8094), (57, 7384), (71, 5928), (76, 5538), (78, 5396), (104, 4047), (114, 3692), (142, 2964), (152, 2769), (156, 2698), (213, 1976), (228, 1846), (247, 1704), (284, 1482), (312, 1349), (426, 988), (456, 923), (494, 852), (568, 741)]