1213735880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{619253}}^1$

素因数の和:619278

約数の個数: 48

約数和(自身を含む): 3176773020

約数和(自身を除く): 1963037140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 619253, 1238506, 2477012, 3096265, 4334771, 4954024, 6192530, 8669542, 12385060, 17339084, 21673855, 24770120, 30343397, 34678168, 43347710, 60686794, 86695420, 121373588, 151716985, 173390840, 242747176, 303433970, 606867940, 1213735880]

約数ペア:

[(1, 1213735880), (2, 606867940), (4, 303433970), (5, 242747176), (7, 173390840), (8, 151716985), (10, 121373588), (14, 86695420), (20, 60686794), (28, 43347710), (35, 34678168), (40, 30343397), (49, 24770120), (56, 21673855), (70, 17339084), (98, 12385060), (140, 8669542), (196, 6192530), (245, 4954024), (280, 4334771), (392, 3096265), (490, 2477012), (980, 1238506), (1960, 619253)]