668435204450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1\times {\mathrm{28771}}^1$

素因数の和:29980

約数の個数: 96

約数和(自身を含む): 1383365125632

約数和(自身を除く): 714929921182

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1153, 1550, 2015, 2306, 4030, 5765, 10075, 11530, 14989, 20150, 28771, 28825, 29978, 35743, 57542, 57650, 71486, 74945, 143855, 149890, 178715, 287710, 357430, 374023, 374725, 464659, 719275, 748046, 749450, 891901, 893575, 929318, 1438550, 1783802, 1787150, 1870115, 2323295, 3740230, 4459505, 4646590, 8919010, 9350575, 11594713, 11616475, 18701150, 22297525, 23189426, 23232950, 33172963, 44595050, 57973565, 66345926, 115947130, 165864815, 289867825, 331729630, 431248519, 579735650, 829324075, 862497038, 1028361853, 1658648150, 2056723706, 2156242595, 4312485190, 5141809265, 10283618530, 10781212975, 13368704089, 21562425950, 25709046325, 26737408178, 51418092650, 66843520445, 133687040890, 334217602225, 668435204450]

約数ペア:

[(1, 668435204450), (2, 334217602225), (5, 133687040890), (10, 66843520445), (13, 51418092650), (25, 26737408178), (26, 25709046325), (31, 21562425950), (50, 13368704089), (62, 10781212975), (65, 10283618530), (130, 5141809265), (155, 4312485190), (310, 2156242595), (325, 2056723706), (403, 1658648150), (650, 1028361853), (775, 862497038), (806, 829324075), (1153, 579735650), (1550, 431248519), (2015, 331729630), (2306, 289867825), (4030, 165864815), (5765, 115947130), (10075, 66345926), (11530, 57973565), (14989, 44595050), (20150, 33172963), (28771, 23232950), (28825, 23189426), (29978, 22297525), (35743, 18701150), (57542, 11616475), (57650, 11594713), (71486, 9350575), (74945, 8919010), (143855, 4646590), (149890, 4459505), (178715, 3740230), (287710, 2323295), (357430, 1870115), (374023, 1787150), (374725, 1783802), (464659, 1438550), (719275, 929318), (748046, 893575), (749450, 891901)]