29120540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 64864800

約数和(自身を除く): 35744260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 389, 394, 778, 788, 985, 1556, 1945, 1970, 3743, 3890, 3940, 7391, 7486, 7780, 14782, 14972, 18715, 29564, 36955, 37430, 73910, 74860, 76633, 147820, 153266, 306532, 383165, 766330, 1456027, 1532660, 2912054, 5824108, 7280135, 14560270, 29120540]

約数ペア:

[(1, 29120540), (2, 14560270), (4, 7280135), (5, 5824108), (10, 2912054), (19, 1532660), (20, 1456027), (38, 766330), (76, 383165), (95, 306532), (190, 153266), (197, 147820), (380, 76633), (389, 74860), (394, 73910), (778, 37430), (788, 36955), (985, 29564), (1556, 18715), (1945, 14972), (1970, 14782), (3743, 7780), (3890, 7486), (3940, 7391)]