345858320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139459}}^1$

素因数の和:139503

約数の個数: 40

約数和(自身を含む): 830065920

約数和(自身を除く): 484207600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 139459, 278918, 557836, 697295, 1115672, 1394590, 2231344, 2789180, 4323229, 5578360, 8646458, 11156720, 17292916, 21616145, 34585832, 43232290, 69171664, 86464580, 172929160, 345858320]

約数ペア:

[(1, 345858320), (2, 172929160), (4, 86464580), (5, 69171664), (8, 43232290), (10, 34585832), (16, 21616145), (20, 17292916), (31, 11156720), (40, 8646458), (62, 5578360), (80, 4323229), (124, 2789180), (155, 2231344), (248, 1394590), (310, 1115672), (496, 697295), (620, 557836), (1240, 278918), (2480, 139459)]