16780190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 20544610

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 59, 70, 85, 118, 119, 170, 238, 239, 295, 413, 478, 590, 595, 826, 1003, 1190, 1195, 1673, 2006, 2065, 2390, 3346, 4063, 4130, 5015, 7021, 8126, 8365, 10030, 14042, 14101, 16730, 20315, 28202, 28441, 35105, 40630, 56882, 70210, 70505, 98707, 141010, 142205, 197414, 239717, 284410, 479434, 493535, 987070, 1198585, 1678019, 2397170, 3356038, 8390095, 16780190]

約数ペア:

[(1, 16780190), (2, 8390095), (5, 3356038), (7, 2397170), (10, 1678019), (14, 1198585), (17, 987070), (34, 493535), (35, 479434), (59, 284410), (70, 239717), (85, 197414), (118, 142205), (119, 141010), (170, 98707), (238, 70505), (239, 70210), (295, 56882), (413, 40630), (478, 35105), (590, 28441), (595, 28202), (826, 20315), (1003, 16730), (1190, 14101), (1195, 14042), (1673, 10030), (2006, 8365), (2065, 8126), (2390, 7021), (3346, 5015), (4063, 4130)]