406245420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{322417}}^1$

素因数の和:322439

約数の個数: 72

約数和(自身を含む): 1408321824

約数和(自身を除く): 1002076404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 322417, 644834, 967251, 1289668, 1612085, 1934502, 2256919, 2901753, 3224170, 3869004, 4513838, 4836255, 5803506, 6448340, 6770757, 9027676, 9672510, 11284595, 11607012, 13541514, 14508765, 19345020, 20312271, 22569190, 27083028, 29017530, 33853785, 40624542, 45138380, 58035060, 67707570, 81249084, 101561355, 135415140, 203122710, 406245420]

約数ペア:

[(1, 406245420), (2, 203122710), (3, 135415140), (4, 101561355), (5, 81249084), (6, 67707570), (7, 58035060), (9, 45138380), (10, 40624542), (12, 33853785), (14, 29017530), (15, 27083028), (18, 22569190), (20, 20312271), (21, 19345020), (28, 14508765), (30, 13541514), (35, 11607012), (36, 11284595), (42, 9672510), (45, 9027676), (60, 6770757), (63, 6448340), (70, 5803506), (84, 4836255), (90, 4513838), (105, 3869004), (126, 3224170), (140, 2901753), (180, 2256919), (210, 1934502), (252, 1612085), (315, 1289668), (420, 967251), (630, 644834), (1260, 322417)]