393881885740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{779131}}^1$

素因数の和:779327

約数の個数: 96

約数和(自身を含む): 992701430784

約数和(自身を除く): 598819545044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 157, 161, 230, 314, 322, 460, 628, 644, 785, 805, 1099, 1570, 1610, 2198, 3140, 3220, 3611, 4396, 5495, 7222, 10990, 14444, 18055, 21980, 25277, 36110, 50554, 72220, 101108, 126385, 252770, 505540, 779131, 1558262, 3116524, 3895655, 5453917, 7791310, 10907834, 15582620, 17920013, 21815668, 27269585, 35840026, 54539170, 71680052, 89600065, 109078340, 122323567, 125440091, 179200130, 244647134, 250880182, 358400260, 489294268, 501760364, 611617835, 627200455, 856264969, 1223235670, 1254400910, 1712529938, 2446471340, 2508801820, 2813442041, 3425059876, 4281324845, 5626884082, 8562649690, 11253768164, 14067210205, 17125299380, 19694094287, 28134420410, 39388188574, 56268840820, 78776377148, 98470471435, 196940942870, 393881885740]

約数ペア:

[(1, 393881885740), (2, 196940942870), (4, 98470471435), (5, 78776377148), (7, 56268840820), (10, 39388188574), (14, 28134420410), (20, 19694094287), (23, 17125299380), (28, 14067210205), (35, 11253768164), (46, 8562649690), (70, 5626884082), (92, 4281324845), (115, 3425059876), (140, 2813442041), (157, 2508801820), (161, 2446471340), (230, 1712529938), (314, 1254400910), (322, 1223235670), (460, 856264969), (628, 627200455), (644, 611617835), (785, 501760364), (805, 489294268), (1099, 358400260), (1570, 250880182), (1610, 244647134), (2198, 179200130), (3140, 125440091), (3220, 122323567), (3611, 109078340), (4396, 89600065), (5495, 71680052), (7222, 54539170), (10990, 35840026), (14444, 27269585), (18055, 21815668), (21980, 17920013), (25277, 15582620), (36110, 10907834), (50554, 7791310), (72220, 5453917), (101108, 3895655), (126385, 3116524), (252770, 1558262), (505540, 779131)]