304430440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 700338960

約数和(自身を除く): 395908520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 137, 146, 274, 292, 365, 548, 584, 685, 730, 761, 1096, 1370, 1460, 1522, 2740, 2920, 3044, 3805, 5480, 6088, 7610, 10001, 15220, 20002, 30440, 40004, 50005, 55553, 80008, 100010, 104257, 111106, 200020, 208514, 222212, 277765, 400040, 417028, 444424, 521285, 555530, 834056, 1042570, 1111060, 2085140, 2222120, 4170280, 7610761, 15221522, 30443044, 38053805, 60886088, 76107610, 152215220, 304430440]

約数ペア:

[(1, 304430440), (2, 152215220), (4, 76107610), (5, 60886088), (8, 38053805), (10, 30443044), (20, 15221522), (40, 7610761), (73, 4170280), (137, 2222120), (146, 2085140), (274, 1111060), (292, 1042570), (365, 834056), (548, 555530), (584, 521285), (685, 444424), (730, 417028), (761, 400040), (1096, 277765), (1370, 222212), (1460, 208514), (1522, 200020), (2740, 111106), (2920, 104257), (3044, 100010), (3805, 80008), (5480, 55553), (6088, 50005), (7610, 40004), (10001, 30440), (15220, 20002)]