253192380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{602839}}^1$

素因数の和:602858

約数の個数: 48

約数和(自身を含む): 810216960

約数和(自身を除く): 557024580

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, 602839, 1205678, 1808517, 2411356, 3014195, 3617034, 4219873, 6028390, 7234068, 8439746, 9042585, 12056780, 12659619, 16879492, 18085170, 21099365, 25319238, 36170340, 42198730, 50638476, 63298095, 84397460, 126596190, 253192380]

約数ペア:

[(1, 253192380), (2, 126596190), (3, 84397460), (4, 63298095), (5, 50638476), (6, 42198730), (7, 36170340), (10, 25319238), (12, 21099365), (14, 18085170), (15, 16879492), (20, 12659619), (21, 12056780), (28, 9042585), (30, 8439746), (35, 7234068), (42, 6028390), (60, 4219873), (70, 3617034), (84, 3014195), (105, 2411356), (140, 1808517), (210, 1205678), (420, 602839)]