349120380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{831239}}^1$

素因数の和:831258

約数の個数: 48

約数和(自身を含む): 1117186560

約数和(自身を除く): 768066180

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, 831239, 1662478, 2493717, 3324956, 4156195, 4987434, 5818673, 8312390, 9974868, 11637346, 12468585, 16624780, 17456019, 23274692, 24937170, 29093365, 34912038, 49874340, 58186730, 69824076, 87280095, 116373460, 174560190, 349120380]

約数ペア:

[(1, 349120380), (2, 174560190), (3, 116373460), (4, 87280095), (5, 69824076), (6, 58186730), (7, 49874340), (10, 34912038), (12, 29093365), (14, 24937170), (15, 23274692), (20, 17456019), (21, 16624780), (28, 12468585), (30, 11637346), (35, 9974868), (42, 8312390), (60, 5818673), (70, 4987434), (84, 4156195), (105, 3324956), (140, 2493717), (210, 1662478), (420, 831239)]