161123800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 398970000

約数和(自身を除く): 237846200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 109, 152, 190, 200, 218, 380, 389, 436, 475, 545, 760, 778, 872, 950, 1090, 1556, 1900, 1945, 2071, 2180, 2725, 3112, 3800, 3890, 4142, 4360, 5450, 7391, 7780, 8284, 9725, 10355, 10900, 14782, 15560, 16568, 19450, 20710, 21800, 29564, 36955, 38900, 41420, 42401, 51775, 59128, 73910, 77800, 82840, 84802, 103550, 147820, 169604, 184775, 207100, 212005, 295640, 339208, 369550, 414200, 424010, 739100, 805619, 848020, 1060025, 1478200, 1611238, 1696040, 2120050, 3222476, 4028095, 4240100, 6444952, 8056190, 8480200, 16112380, 20140475, 32224760, 40280950, 80561900, 161123800]

約数ペア:

[(1, 161123800), (2, 80561900), (4, 40280950), (5, 32224760), (8, 20140475), (10, 16112380), (19, 8480200), (20, 8056190), (25, 6444952), (38, 4240100), (40, 4028095), (50, 3222476), (76, 2120050), (95, 1696040), (100, 1611238), (109, 1478200), (152, 1060025), (190, 848020), (200, 805619), (218, 739100), (380, 424010), (389, 414200), (436, 369550), (475, 339208), (545, 295640), (760, 212005), (778, 207100), (872, 184775), (950, 169604), (1090, 147820), (1556, 103550), (1900, 84802), (1945, 82840), (2071, 77800), (2180, 73910), (2725, 59128), (3112, 51775), (3800, 42401), (3890, 41420), (4142, 38900), (4360, 36955), (5450, 29564), (7391, 21800), (7780, 20710), (8284, 19450), (9725, 16568), (10355, 15560), (10900, 14782)]