390550580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{17327}}^1$

素因数の和:17373

約数の個数: 72

約数和(自身を含む): 995597568

約数和(自身を除く): 605046988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 17327, 22540, 34654, 69308, 86635, 121289, 173270, 242578, 346540, 398521, 485156, 606445, 797042, 849023, 1212890, 1594084, 1698046, 1992605, 2425780, 2789647, 3396092, 3985210, 4245115, 5579294, 7970420, 8490230, 11158588, 13948235, 16980460, 19527529, 27896470, 39055058, 55792940, 78110116, 97637645, 195275290, 390550580]

約数ペア:

[(1, 390550580), (2, 195275290), (4, 97637645), (5, 78110116), (7, 55792940), (10, 39055058), (14, 27896470), (20, 19527529), (23, 16980460), (28, 13948235), (35, 11158588), (46, 8490230), (49, 7970420), (70, 5579294), (92, 4245115), (98, 3985210), (115, 3396092), (140, 2789647), (161, 2425780), (196, 1992605), (230, 1698046), (245, 1594084), (322, 1212890), (460, 849023), (490, 797042), (644, 606445), (805, 485156), (980, 398521), (1127, 346540), (1610, 242578), (2254, 173270), (3220, 121289), (4508, 86635), (5635, 69308), (11270, 34654), (17327, 22540)]