21622670500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{1019}}^1$

素因数の和:1143

約数の個数: 144

約数和(自身を含む): 50149532160

約数和(自身を除く): 28526861660

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 37, 50, 62, 74, 100, 124, 125, 148, 155, 185, 250, 310, 370, 500, 620, 740, 775, 925, 1019, 1147, 1369, 1550, 1850, 2038, 2294, 2738, 3100, 3700, 3875, 4076, 4588, 4625, 5095, 5476, 5735, 6845, 7750, 9250, 10190, 11470, 13690, 15500, 18500, 20380, 22940, 25475, 27380, 28675, 31589, 34225, 37703, 42439, 50950, 57350, 63178, 68450, 75406, 84878, 101900, 114700, 126356, 127375, 136900, 143375, 150812, 157945, 169756, 171125, 188515, 212195, 254750, 286750, 315890, 342250, 377030, 424390, 509500, 573500, 631780, 684500, 754060, 789725, 848780, 942575, 1060975, 1168793, 1395011, 1579450, 1885150, 2121950, 2337586, 2790022, 3158900, 3770300, 3948625, 4243900, 4675172, 4712875, 5304875, 5580044, 5843965, 6975055, 7897250, 9425750, 10609750, 11687930, 13950110, 15794500, 18851500, 21219500, 23375860, 27900220, 29219825, 34875275, 43245341, 58439650, 69750550, 86490682, 116879300, 139501100, 146099125, 172981364, 174376375, 216226705, 292198250, 348752750, 432453410, 584396500, 697505500, 864906820, 1081133525, 2162267050, 4324534100, 5405667625, 10811335250, 21622670500]

約数ペア:

[(1, 21622670500), (2, 10811335250), (4, 5405667625), (5, 4324534100), (10, 2162267050), (20, 1081133525), (25, 864906820), (31, 697505500), (37, 584396500), (50, 432453410), (62, 348752750), (74, 292198250), (100, 216226705), (124, 174376375), (125, 172981364), (148, 146099125), (155, 139501100), (185, 116879300), (250, 86490682), (310, 69750550), (370, 58439650), (500, 43245341), (620, 34875275), (740, 29219825), (775, 27900220), (925, 23375860), (1019, 21219500), (1147, 18851500), (1369, 15794500), (1550, 13950110), (1850, 11687930), (2038, 10609750), (2294, 9425750), (2738, 7897250), (3100, 6975055), (3700, 5843965), (3875, 5580044), (4076, 5304875), (4588, 4712875), (4625, 4675172), (5095, 4243900), (5476, 3948625), (5735, 3770300), (6845, 3158900), (7750, 2790022), (9250, 2337586), (10190, 2121950), (11470, 1885150), (13690, 1579450), (15500, 1395011), (18500, 1168793), (20380, 1060975), (22940, 942575), (25475, 848780), (27380, 789725), (28675, 754060), (31589, 684500), (34225, 631780), (37703, 573500), (42439, 509500), (50950, 424390), (57350, 377030), (63178, 342250), (68450, 315890), (75406, 286750), (84878, 254750), (101900, 212195), (114700, 188515), (126356, 171125), (127375, 169756), (136900, 157945), (143375, 150812)]