398298215120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12354163}}^1$

素因数の和:12354220

約数の個数: 80

約数和(自身を含む): 1029447777792

約数和(自身を除く): 631149562672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 12354163, 24708326, 49416652, 61770815, 98833304, 123541630, 160604119, 197666608, 247083260, 321208238, 382979053, 494166520, 642416476, 765958106, 803020595, 988333040, 1284832952, 1531916212, 1606041190, 1914895265, 2569665904, 3063832424, 3212082380, 3829790530, 4978727689, 6127664848, 6424164760, 7659581060, 9957455378, 12848329520, 15319162120, 19914910756, 24893638445, 30638324240, 39829821512, 49787276890, 79659643024, 99574553780, 199149107560, 398298215120]

約数ペア:

[(1, 398298215120), (2, 199149107560), (4, 99574553780), (5, 79659643024), (8, 49787276890), (10, 39829821512), (13, 30638324240), (16, 24893638445), (20, 19914910756), (26, 15319162120), (31, 12848329520), (40, 9957455378), (52, 7659581060), (62, 6424164760), (65, 6127664848), (80, 4978727689), (104, 3829790530), (124, 3212082380), (130, 3063832424), (155, 2569665904), (208, 1914895265), (248, 1606041190), (260, 1531916212), (310, 1284832952), (403, 988333040), (496, 803020595), (520, 765958106), (620, 642416476), (806, 494166520), (1040, 382979053), (1240, 321208238), (1612, 247083260), (2015, 197666608), (2480, 160604119), (3224, 123541630), (4030, 98833304), (6448, 61770815), (8060, 49416652), (16120, 24708326), (32240, 12354163)]