289677020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{7919}}^1$

素因数の和:8018

約数の個数: 48

約数和(自身を含む): 638668800

約数和(自身を除く): 348991780

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3658, 7316, 7919, 9145, 15838, 18290, 31676, 36580, 39595, 79190, 158380, 245489, 467221, 490978, 934442, 981956, 1227445, 1868884, 2336105, 2454890, 4672210, 4909780, 9344420, 14483851, 28967702, 57935404, 72419255, 144838510, 289677020]

約数ペア:

[(1, 289677020), (2, 144838510), (4, 72419255), (5, 57935404), (10, 28967702), (20, 14483851), (31, 9344420), (59, 4909780), (62, 4672210), (118, 2454890), (124, 2336105), (155, 1868884), (236, 1227445), (295, 981956), (310, 934442), (590, 490978), (620, 467221), (1180, 245489), (1829, 158380), (3658, 79190), (7316, 39595), (7919, 36580), (9145, 31676), (15838, 18290)]