About the Number
3131704920
2進数表記:10111010101010100000011001011000
漢数字表記:三十一億三千百七十万四千九百二十
素因数分解:
素因数の和:2905
約数の個数: 128
約数和(自身を含む): 9600560640
約数和(自身を除く): 6468855720
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 137, 142, 213, 274, 284, 355, 411, 426, 548, 568, 685, 710, 822, 852, 1065, 1096, 1370, 1420, 1644, 1704, 2055, 2130, 2683, 2740, 2840, 3288, 4110, 4260, 5366, 5480, 8049, 8220, 8520, 9727, 10732, 13415, 16098, 16440, 19454, 21464, 26830, 29181, 32196, 38908, 40245, 48635, 53660, 58362, 64392, 77816, 80490, 97270, 107320, 116724, 145905, 160980, 190493, 194540, 233448, 291810, 321960, 367571, 380986, 389080, 571479, 583620, 735142, 761972, 952465, 1102713, 1142958, 1167240, 1470284, 1523944, 1837855, 1904930, 2205426, 2285916, 2857395, 2940568, 3675710, 3809860, 4410852, 4571832, 5513565, 5714790, 7351420, 7619720, 8821704, 11027130, 11429580, 14702840, 22054260, 22859160, 26097541, 44108520, 52195082, 78292623, 104390164, 130487705, 156585246, 208780328, 260975410, 313170492, 391463115, 521950820, 626340984, 782926230, 1043901640, 1565852460, 3131704920]
約数ペア:
[(1, 3131704920), (2, 1565852460), (3, 1043901640), (4, 782926230), (5, 626340984), (6, 521950820), (8, 391463115), (10, 313170492), (12, 260975410), (15, 208780328), (20, 156585246), (24, 130487705), (30, 104390164), (40, 78292623), (60, 52195082), (71, 44108520), (120, 26097541), (137, 22859160), (142, 22054260), (213, 14702840), (274, 11429580), (284, 11027130), (355, 8821704), (411, 7619720), (426, 7351420), (548, 5714790), (568, 5513565), (685, 4571832), (710, 4410852), (822, 3809860), (852, 3675710), (1065, 2940568), (1096, 2857395), (1370, 2285916), (1420, 2205426), (1644, 1904930), (1704, 1837855), (2055, 1523944), (2130, 1470284), (2683, 1167240), (2740, 1142958), (2840, 1102713), (3288, 952465), (4110, 761972), (4260, 735142), (5366, 583620), (5480, 571479), (8049, 389080), (8220, 380986), (8520, 367571), (9727, 321960), (10732, 291810), (13415, 233448), (16098, 194540), (16440, 190493), (19454, 160980), (21464, 145905), (26830, 116724), (29181, 107320), (32196, 97270), (38908, 80490), (40245, 77816), (48635, 64392), (53660, 58362)]このpageの処理時間: 0.04603242874145508 seconds