890809640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{11827}}^1$

素因数の和:12114

約数の個数: 64

約数和(自身を含む): 2299363200

約数和(自身を除く): 1408553560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 1076, 1345, 1883, 2152, 2690, 3766, 5380, 7532, 9415, 10760, 11827, 15064, 18830, 23654, 37660, 47308, 59135, 75320, 82789, 94616, 118270, 165578, 236540, 331156, 413945, 473080, 662312, 827890, 1655780, 3181463, 3311560, 6362926, 12725852, 15907315, 22270241, 25451704, 31814630, 44540482, 63629260, 89080964, 111351205, 127258520, 178161928, 222702410, 445404820, 890809640]

約数ペア:

[(1, 890809640), (2, 445404820), (4, 222702410), (5, 178161928), (7, 127258520), (8, 111351205), (10, 89080964), (14, 63629260), (20, 44540482), (28, 31814630), (35, 25451704), (40, 22270241), (56, 15907315), (70, 12725852), (140, 6362926), (269, 3311560), (280, 3181463), (538, 1655780), (1076, 827890), (1345, 662312), (1883, 473080), (2152, 413945), (2690, 331156), (3766, 236540), (5380, 165578), (7532, 118270), (9415, 94616), (10760, 82789), (11827, 75320), (15064, 59135), (18830, 47308), (23654, 37660)]