242865420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{578251}}^1$

素因数の和:578270

約数の個数: 48

約数和(自身を含む): 777170688

約数和(自身を除く): 534305268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 578251, 1156502, 1734753, 2313004, 2891255, 3469506, 4047757, 5782510, 6939012, 8095514, 8673765, 11565020, 12143271, 16191028, 17347530, 20238785, 24286542, 34695060, 40477570, 48573084, 60716355, 80955140, 121432710, 242865420]

約数ペア:

[(1, 242865420), (2, 121432710), (3, 80955140), (4, 60716355), (5, 48573084), (6, 40477570), (7, 34695060), (10, 24286542), (12, 20238785), (14, 17347530), (15, 16191028), (20, 12143271), (21, 11565020), (28, 8673765), (30, 8095514), (35, 6939012), (42, 5782510), (60, 4047757), (70, 3469506), (84, 2891255), (105, 2313004), (140, 1734753), (210, 1156502), (420, 578251)]