159964900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1393

約数の個数: 72

約数和(自身を含む): 372866760

約数和(自身を除く): 212901860

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 146, 170, 292, 340, 365, 425, 730, 850, 1241, 1289, 1460, 1700, 1825, 2482, 2578, 3650, 4964, 5156, 6205, 6445, 7300, 12410, 12890, 21913, 24820, 25780, 31025, 32225, 43826, 62050, 64450, 87652, 94097, 109565, 124100, 128900, 188194, 219130, 376388, 438260, 470485, 547825, 940970, 1095650, 1599649, 1881940, 2191300, 2352425, 3199298, 4704850, 6398596, 7998245, 9409700, 15996490, 31992980, 39991225, 79982450, 159964900]

約数ペア:

[(1, 159964900), (2, 79982450), (4, 39991225), (5, 31992980), (10, 15996490), (17, 9409700), (20, 7998245), (25, 6398596), (34, 4704850), (50, 3199298), (68, 2352425), (73, 2191300), (85, 1881940), (100, 1599649), (146, 1095650), (170, 940970), (292, 547825), (340, 470485), (365, 438260), (425, 376388), (730, 219130), (850, 188194), (1241, 128900), (1289, 124100), (1460, 109565), (1700, 94097), (1825, 87652), (2482, 64450), (2578, 62050), (3650, 43826), (4964, 32225), (5156, 31025), (6205, 25780), (6445, 24820), (7300, 21913), (12410, 12890)]