1395804900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{664669}}^1$

素因数の和:664693

約数の個数: 72

約数和(自身を含む): 4615468480

約数和(自身を除く): 3219663580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 664669, 1329338, 1994007, 2658676, 3323345, 3988014, 4652683, 6646690, 7976028, 9305366, 9970035, 13293380, 13958049, 16616725, 18610732, 19940070, 23263415, 27916098, 33233450, 39880140, 46526830, 49850175, 55832196, 66466900, 69790245, 93053660, 99700350, 116317075, 139580490, 199400700, 232634150, 279160980, 348951225, 465268300, 697902450, 1395804900]

約数ペア:

[(1, 1395804900), (2, 697902450), (3, 465268300), (4, 348951225), (5, 279160980), (6, 232634150), (7, 199400700), (10, 139580490), (12, 116317075), (14, 99700350), (15, 93053660), (20, 69790245), (21, 66466900), (25, 55832196), (28, 49850175), (30, 46526830), (35, 39880140), (42, 33233450), (50, 27916098), (60, 23263415), (70, 19940070), (75, 18610732), (84, 16616725), (100, 13958049), (105, 13293380), (140, 9970035), (150, 9305366), (175, 7976028), (210, 6646690), (300, 4652683), (350, 3988014), (420, 3323345), (525, 2658676), (700, 1994007), (1050, 1329338), (2100, 664669)]