205685484080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1\times {\mathrm{42859}}^1$

素因数の和:43362

約数の個数: 80

約数和(自身を含む): 482144140800

約数和(自身を除く): 276458656720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 251, 478, 502, 956, 1004, 1195, 1255, 1912, 2008, 2390, 2510, 3824, 4016, 4780, 5020, 9560, 10040, 19120, 20080, 42859, 59989, 85718, 119978, 171436, 214295, 239956, 299945, 342872, 428590, 479912, 599890, 685744, 857180, 959824, 1199780, 1714360, 2399560, 3428720, 4799120, 10243301, 10757609, 20486602, 21515218, 40973204, 43030436, 51216505, 53788045, 81946408, 86060872, 102433010, 107576090, 163892816, 172121744, 204866020, 215152180, 409732040, 430304360, 819464080, 860608720, 2571068551, 5142137102, 10284274204, 12855342755, 20568548408, 25710685510, 41137096816, 51421371020, 102842742040, 205685484080]

約数ペア:

[(1, 205685484080), (2, 102842742040), (4, 51421371020), (5, 41137096816), (8, 25710685510), (10, 20568548408), (16, 12855342755), (20, 10284274204), (40, 5142137102), (80, 2571068551), (239, 860608720), (251, 819464080), (478, 430304360), (502, 409732040), (956, 215152180), (1004, 204866020), (1195, 172121744), (1255, 163892816), (1912, 107576090), (2008, 102433010), (2390, 86060872), (2510, 81946408), (3824, 53788045), (4016, 51216505), (4780, 43030436), (5020, 40973204), (9560, 21515218), (10040, 20486602), (19120, 10757609), (20080, 10243301), (42859, 4799120), (59989, 3428720), (85718, 2399560), (119978, 1714360), (171436, 1199780), (214295, 959824), (239956, 857180), (299945, 685744), (342872, 599890), (428590, 479912)]