1949673700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 4759695360

約数和(自身を除く): 2810021660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 101, 124, 130, 155, 202, 260, 310, 325, 403, 404, 479, 505, 620, 650, 775, 806, 958, 1010, 1300, 1313, 1550, 1612, 1916, 2015, 2020, 2395, 2525, 2626, 3100, 3131, 4030, 4790, 5050, 5252, 6227, 6262, 6565, 8060, 9580, 10075, 10100, 11975, 12454, 12524, 13130, 14849, 15655, 20150, 23950, 24908, 26260, 29698, 31135, 31310, 32825, 40300, 40703, 47900, 48379, 59396, 62270, 62620, 65650, 74245, 78275, 81406, 96758, 124540, 131300, 148490, 155675, 156550, 162812, 193037, 193516, 203515, 241895, 296980, 311350, 313100, 371225, 386074, 407030, 483790, 622700, 628927, 742450, 772148, 814060, 965185, 967580, 1017575, 1209475, 1257854, 1484900, 1499749, 1930370, 2035150, 2418950, 2515708, 2999498, 3144635, 3860740, 4070300, 4825925, 4837900, 5998996, 6289270, 7498745, 9651850, 12578540, 14997490, 15723175, 19303700, 19496737, 29994980, 31446350, 37493725, 38993474, 62892700, 74987450, 77986948, 97483685, 149974900, 194967370, 389934740, 487418425, 974836850, 1949673700]

約数ペア:

[(1, 1949673700), (2, 974836850), (4, 487418425), (5, 389934740), (10, 194967370), (13, 149974900), (20, 97483685), (25, 77986948), (26, 74987450), (31, 62892700), (50, 38993474), (52, 37493725), (62, 31446350), (65, 29994980), (100, 19496737), (101, 19303700), (124, 15723175), (130, 14997490), (155, 12578540), (202, 9651850), (260, 7498745), (310, 6289270), (325, 5998996), (403, 4837900), (404, 4825925), (479, 4070300), (505, 3860740), (620, 3144635), (650, 2999498), (775, 2515708), (806, 2418950), (958, 2035150), (1010, 1930370), (1300, 1499749), (1313, 1484900), (1550, 1257854), (1612, 1209475), (1916, 1017575), (2015, 967580), (2020, 965185), (2395, 814060), (2525, 772148), (2626, 742450), (3100, 628927), (3131, 622700), (4030, 483790), (4790, 407030), (5050, 386074), (5252, 371225), (6227, 313100), (6262, 311350), (6565, 296980), (8060, 241895), (9580, 203515), (10075, 193516), (10100, 193037), (11975, 162812), (12454, 156550), (12524, 155675), (13130, 148490), (14849, 131300), (15655, 124540), (20150, 96758), (23950, 81406), (24908, 78275), (26260, 74245), (29698, 65650), (31135, 62620), (31310, 62270), (32825, 59396), (40300, 48379), (40703, 47900)]