874720980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{694223}}^1$

素因数の和:694245

約数の個数: 72

約数和(自身を含む): 3032370432

約数和(自身を除く): 2157649452

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, 694223, 1388446, 2082669, 2776892, 3471115, 4165338, 4859561, 6248007, 6942230, 8330676, 9719122, 10413345, 12496014, 13884460, 14578683, 19438244, 20826690, 24297805, 24992028, 29157366, 31240035, 41653380, 43736049, 48595610, 58314732, 62480070, 72893415, 87472098, 97191220, 124960140, 145786830, 174944196, 218680245, 291573660, 437360490, 874720980]

約数ペア:

[(1, 874720980), (2, 437360490), (3, 291573660), (4, 218680245), (5, 174944196), (6, 145786830), (7, 124960140), (9, 97191220), (10, 87472098), (12, 72893415), (14, 62480070), (15, 58314732), (18, 48595610), (20, 43736049), (21, 41653380), (28, 31240035), (30, 29157366), (35, 24992028), (36, 24297805), (42, 20826690), (45, 19438244), (60, 14578683), (63, 13884460), (70, 12496014), (84, 10413345), (90, 9719122), (105, 8330676), (126, 6942230), (140, 6248007), (180, 4859561), (210, 4165338), (252, 3471115), (315, 2776892), (420, 2082669), (630, 1388446), (1260, 694223)]