268257760940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{303727}}^1$

素因数の和:303871

約数の個数: 96

約数和(自身を含む): 628644065280

約数和(自身を除く): 360386304340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 79, 86, 130, 158, 172, 215, 260, 316, 395, 430, 559, 790, 860, 1027, 1118, 1580, 2054, 2236, 2795, 3397, 4108, 5135, 5590, 6794, 10270, 11180, 13588, 16985, 20540, 33970, 44161, 67940, 88322, 176644, 220805, 303727, 441610, 607454, 883220, 1214908, 1518635, 3037270, 3948451, 6074540, 7896902, 13060261, 15793804, 19742255, 23994433, 26120522, 39484510, 47988866, 52241044, 65301305, 78969020, 95977732, 119972165, 130602610, 169783393, 239944330, 261205220, 311927629, 339566786, 479888660, 623855258, 679133572, 848916965, 1031760619, 1247710516, 1559638145, 1697833930, 2063521238, 3119276290, 3395667860, 4127042476, 5158803095, 6238552580, 10317606190, 13412888047, 20635212380, 26825776094, 53651552188, 67064440235, 134128880470, 268257760940]

約数ペア:

[(1, 268257760940), (2, 134128880470), (4, 67064440235), (5, 53651552188), (10, 26825776094), (13, 20635212380), (20, 13412888047), (26, 10317606190), (43, 6238552580), (52, 5158803095), (65, 4127042476), (79, 3395667860), (86, 3119276290), (130, 2063521238), (158, 1697833930), (172, 1559638145), (215, 1247710516), (260, 1031760619), (316, 848916965), (395, 679133572), (430, 623855258), (559, 479888660), (790, 339566786), (860, 311927629), (1027, 261205220), (1118, 239944330), (1580, 169783393), (2054, 130602610), (2236, 119972165), (2795, 95977732), (3397, 78969020), (4108, 65301305), (5135, 52241044), (5590, 47988866), (6794, 39484510), (10270, 26120522), (11180, 23994433), (13588, 19742255), (16985, 15793804), (20540, 13060261), (33970, 7896902), (44161, 6074540), (67940, 3948451), (88322, 3037270), (176644, 1518635), (220805, 1214908), (303727, 883220), (441610, 607454)]