171638046820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{3967}}^1$

素因数の和:4397

約数の個数: 96

約数和(自身を含む): 369576345600

約数和(自身を除く): 197938298780

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 223, 356, 436, 445, 446, 545, 890, 892, 1090, 1115, 1780, 2180, 2230, 3967, 4460, 7934, 9701, 15868, 19402, 19835, 19847, 24307, 38804, 39670, 39694, 48505, 48614, 79340, 79388, 97010, 97228, 99235, 121535, 194020, 198470, 243070, 353063, 396940, 432403, 486140, 706126, 864806, 884641, 1412252, 1729612, 1765315, 1769282, 2162015, 2163323, 3530630, 3538564, 4324030, 4326646, 4423205, 7061260, 8648060, 8653292, 8846410, 10816615, 17692820, 21633230, 38483867, 43266460, 76967734, 78733049, 96425869, 153935468, 157466098, 192419335, 192851738, 314932196, 384838670, 385703476, 393665245, 482129345, 769677340, 787330490, 964258690, 1574660980, 1928517380, 8581902341, 17163804682, 34327609364, 42909511705, 85819023410, 171638046820]

約数ペア:

[(1, 171638046820), (2, 85819023410), (4, 42909511705), (5, 34327609364), (10, 17163804682), (20, 8581902341), (89, 1928517380), (109, 1574660980), (178, 964258690), (218, 787330490), (223, 769677340), (356, 482129345), (436, 393665245), (445, 385703476), (446, 384838670), (545, 314932196), (890, 192851738), (892, 192419335), (1090, 157466098), (1115, 153935468), (1780, 96425869), (2180, 78733049), (2230, 76967734), (3967, 43266460), (4460, 38483867), (7934, 21633230), (9701, 17692820), (15868, 10816615), (19402, 8846410), (19835, 8653292), (19847, 8648060), (24307, 7061260), (38804, 4423205), (39670, 4326646), (39694, 4324030), (48505, 3538564), (48614, 3530630), (79340, 2163323), (79388, 2162015), (97010, 1769282), (97228, 1765315), (99235, 1729612), (121535, 1412252), (194020, 884641), (198470, 864806), (243070, 706126), (353063, 486140), (396940, 432403)]