302578780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{9043}}^1$

素因数の和:9298

約数の個数: 48

約数和(自身を含む): 729308160

約数和(自身を除く): 426729380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 9043, 16730, 18086, 33460, 36172, 45215, 63301, 90430, 126602, 180860, 253204, 316505, 633010, 1266020, 2161277, 4322554, 8645108, 10806385, 15128939, 21612770, 30257878, 43225540, 60515756, 75644695, 151289390, 302578780]

約数ペア:

[(1, 302578780), (2, 151289390), (4, 75644695), (5, 60515756), (7, 43225540), (10, 30257878), (14, 21612770), (20, 15128939), (28, 10806385), (35, 8645108), (70, 4322554), (140, 2161277), (239, 1266020), (478, 633010), (956, 316505), (1195, 253204), (1673, 180860), (2390, 126602), (3346, 90430), (4780, 63301), (6692, 45215), (8365, 36172), (9043, 33460), (16730, 18086)]