1928444440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1061

約数の個数: 128

約数和(自身を含む): 4846988160

約数和(自身を除く): 2918543720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 113, 130, 148, 185, 226, 260, 296, 370, 452, 481, 520, 565, 740, 887, 904, 962, 1130, 1469, 1480, 1774, 1924, 2260, 2405, 2938, 3548, 3848, 4181, 4435, 4520, 4810, 5876, 7096, 7345, 8362, 8870, 9620, 11531, 11752, 14690, 16724, 17740, 19240, 20905, 23062, 29380, 32819, 33448, 35480, 41810, 46124, 54353, 57655, 58760, 65638, 83620, 92248, 100231, 108706, 115310, 131276, 164095, 167240, 200462, 217412, 230620, 262552, 271765, 328190, 400924, 426647, 434824, 461240, 501155, 543530, 656380, 801848, 853294, 1002310, 1087060, 1303003, 1312760, 1706588, 2004620, 2133235, 2174120, 2606006, 3413176, 3708547, 4009240, 4266470, 5212012, 6515015, 7417094, 8532940, 10424024, 13030030, 14834188, 17065880, 18542735, 26060060, 29668376, 37085470, 48211111, 52120120, 74170940, 96422222, 148341880, 192844444, 241055555, 385688888, 482111110, 964222220, 1928444440]

約数ペア:

[(1, 1928444440), (2, 964222220), (4, 482111110), (5, 385688888), (8, 241055555), (10, 192844444), (13, 148341880), (20, 96422222), (26, 74170940), (37, 52120120), (40, 48211111), (52, 37085470), (65, 29668376), (74, 26060060), (104, 18542735), (113, 17065880), (130, 14834188), (148, 13030030), (185, 10424024), (226, 8532940), (260, 7417094), (296, 6515015), (370, 5212012), (452, 4266470), (481, 4009240), (520, 3708547), (565, 3413176), (740, 2606006), (887, 2174120), (904, 2133235), (962, 2004620), (1130, 1706588), (1469, 1312760), (1480, 1303003), (1774, 1087060), (1924, 1002310), (2260, 853294), (2405, 801848), (2938, 656380), (3548, 543530), (3848, 501155), (4181, 461240), (4435, 434824), (4520, 426647), (4810, 400924), (5876, 328190), (7096, 271765), (7345, 262552), (8362, 230620), (8870, 217412), (9620, 200462), (11531, 167240), (11752, 164095), (14690, 131276), (16724, 115310), (17740, 108706), (19240, 100231), (20905, 92248), (23062, 83620), (29380, 65638), (32819, 58760), (33448, 57655), (35480, 54353), (41810, 46124)]