30348220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{907}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 73221120

約数和(自身を除く): 42872900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 907, 956, 1195, 1673, 1814, 2390, 3346, 3628, 4535, 4780, 6349, 6692, 8365, 9070, 12698, 16730, 18140, 25396, 31745, 33460, 63490, 126980, 216773, 433546, 867092, 1083865, 1517411, 2167730, 3034822, 4335460, 6069644, 7587055, 15174110, 30348220]

約数ペア:

[(1, 30348220), (2, 15174110), (4, 7587055), (5, 6069644), (7, 4335460), (10, 3034822), (14, 2167730), (20, 1517411), (28, 1083865), (35, 867092), (70, 433546), (140, 216773), (239, 126980), (478, 63490), (907, 33460), (956, 31745), (1195, 25396), (1673, 18140), (1814, 16730), (2390, 12698), (3346, 9070), (3628, 8365), (4535, 6692), (4780, 6349)]