254409870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1978

約数の個数: 128

約数和(自身を含む): 740855808

約数和(自身を除く): 486445938

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 31, 33, 39, 55, 62, 65, 66, 78, 93, 110, 130, 143, 155, 165, 186, 195, 286, 310, 330, 341, 390, 403, 429, 465, 682, 715, 806, 858, 930, 1023, 1209, 1430, 1705, 1913, 2015, 2046, 2145, 2418, 3410, 3826, 4030, 4290, 4433, 5115, 5739, 6045, 8866, 9565, 10230, 11478, 12090, 13299, 19130, 21043, 22165, 24869, 26598, 28695, 42086, 44330, 49738, 57390, 59303, 63129, 66495, 74607, 105215, 118606, 124345, 126258, 132990, 149214, 177909, 210430, 248690, 273559, 296515, 315645, 355818, 373035, 547118, 593030, 631290, 652333, 746070, 770939, 820677, 889545, 1304666, 1367795, 1541878, 1641354, 1779090, 1956999, 2312817, 2735590, 3261665, 3854695, 3913998, 4103385, 4625634, 6523330, 7709390, 8206770, 8480329, 9784995, 11564085, 16960658, 19569990, 23128170, 25440987, 42401645, 50881974, 84803290, 127204935, 254409870]

約数ペア:

[(1, 254409870), (2, 127204935), (3, 84803290), (5, 50881974), (6, 42401645), (10, 25440987), (11, 23128170), (13, 19569990), (15, 16960658), (22, 11564085), (26, 9784995), (30, 8480329), (31, 8206770), (33, 7709390), (39, 6523330), (55, 4625634), (62, 4103385), (65, 3913998), (66, 3854695), (78, 3261665), (93, 2735590), (110, 2312817), (130, 1956999), (143, 1779090), (155, 1641354), (165, 1541878), (186, 1367795), (195, 1304666), (286, 889545), (310, 820677), (330, 770939), (341, 746070), (390, 652333), (403, 631290), (429, 593030), (465, 547118), (682, 373035), (715, 355818), (806, 315645), (858, 296515), (930, 273559), (1023, 248690), (1209, 210430), (1430, 177909), (1705, 149214), (1913, 132990), (2015, 126258), (2046, 124345), (2145, 118606), (2418, 105215), (3410, 74607), (3826, 66495), (4030, 63129), (4290, 59303), (4433, 57390), (5115, 49738), (5739, 44330), (6045, 42086), (8866, 28695), (9565, 26598), (10230, 24869), (11478, 22165), (12090, 21043), (13299, 19130)]