399844510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2111}}^1$

素因数の和:2209

約数の個数: 64

約数和(自身を含む): 817496064

約数和(自身を除く): 417651554

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 94, 130, 155, 235, 310, 403, 470, 611, 806, 1222, 1457, 2015, 2111, 2914, 3055, 4030, 4222, 6110, 7285, 10555, 14570, 18941, 21110, 27443, 37882, 54886, 65441, 94705, 99217, 130882, 137215, 189410, 198434, 274430, 327205, 496085, 654410, 850733, 992170, 1289821, 1701466, 2579642, 3075727, 4253665, 6151454, 6449105, 8507330, 12898210, 15378635, 30757270, 39984451, 79968902, 199922255, 399844510]

約数ペア:

[(1, 399844510), (2, 199922255), (5, 79968902), (10, 39984451), (13, 30757270), (26, 15378635), (31, 12898210), (47, 8507330), (62, 6449105), (65, 6151454), (94, 4253665), (130, 3075727), (155, 2579642), (235, 1701466), (310, 1289821), (403, 992170), (470, 850733), (611, 654410), (806, 496085), (1222, 327205), (1457, 274430), (2015, 198434), (2111, 189410), (2914, 137215), (3055, 130882), (4030, 99217), (4222, 94705), (6110, 65441), (7285, 54886), (10555, 37882), (14570, 27443), (18941, 21110)]