291211423760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{801617}}^1$

素因数の和:801888

約数の個数: 80

約数和(自身を含む): 715684550400

約数和(自身を除く): 424473126640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 239, 304, 380, 478, 760, 956, 1195, 1520, 1912, 2390, 3824, 4541, 4780, 9082, 9560, 18164, 19120, 22705, 36328, 45410, 72656, 90820, 181640, 363280, 801617, 1603234, 3206468, 4008085, 6412936, 8016170, 12825872, 15230723, 16032340, 30461446, 32064680, 60922892, 64129360, 76153615, 121845784, 152307230, 191586463, 243691568, 304614460, 383172926, 609228920, 766345852, 957932315, 1218457840, 1532691704, 1915864630, 3065383408, 3640142797, 3831729260, 7280285594, 7663458520, 14560571188, 15326917040, 18200713985, 29121142376, 36401427970, 58242284752, 72802855940, 145605711880, 291211423760]

約数ペア:

[(1, 291211423760), (2, 145605711880), (4, 72802855940), (5, 58242284752), (8, 36401427970), (10, 29121142376), (16, 18200713985), (19, 15326917040), (20, 14560571188), (38, 7663458520), (40, 7280285594), (76, 3831729260), (80, 3640142797), (95, 3065383408), (152, 1915864630), (190, 1532691704), (239, 1218457840), (304, 957932315), (380, 766345852), (478, 609228920), (760, 383172926), (956, 304614460), (1195, 243691568), (1520, 191586463), (1912, 152307230), (2390, 121845784), (3824, 76153615), (4541, 64129360), (4780, 60922892), (9082, 32064680), (9560, 30461446), (18164, 16032340), (19120, 15230723), (22705, 12825872), (36328, 8016170), (45410, 6412936), (72656, 4008085), (90820, 3206468), (181640, 1603234), (363280, 801617)]