12860991700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3259}}^1$

素因数の和:3390

約数の個数: 144

約数和(自身を含む): 30786918400

約数和(自身を除く): 17925926700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 67, 76, 95, 100, 124, 134, 155, 190, 268, 310, 335, 380, 475, 589, 620, 670, 775, 950, 1178, 1273, 1340, 1550, 1675, 1900, 2077, 2356, 2546, 2945, 3100, 3259, 3350, 4154, 5092, 5890, 6365, 6518, 6700, 8308, 10385, 11780, 12730, 13036, 14725, 16295, 20770, 25460, 29450, 31825, 32590, 39463, 41540, 51925, 58900, 61921, 63650, 65180, 78926, 81475, 101029, 103850, 123842, 127300, 157852, 162950, 197315, 202058, 207700, 218353, 247684, 309605, 325900, 394630, 404116, 436706, 505145, 619210, 789260, 873412, 986575, 1010290, 1091765, 1238420, 1548025, 1919551, 1973150, 2020580, 2183530, 2525725, 3096050, 3839102, 3946300, 4148707, 4367060, 5051450, 5458825, 6192100, 6768943, 7678204, 8297414, 9597755, 10102900, 10917650, 13537886, 16594828, 19195510, 20743535, 21835300, 27075772, 33844715, 38391020, 41487070, 47988775, 67689430, 82974140, 95977550, 103717675, 128609917, 135378860, 169223575, 191955100, 207435350, 257219834, 338447150, 414870700, 514439668, 643049585, 676894300, 1286099170, 2572198340, 3215247925, 6430495850, 12860991700]

約数ペア:

[(1, 12860991700), (2, 6430495850), (4, 3215247925), (5, 2572198340), (10, 1286099170), (19, 676894300), (20, 643049585), (25, 514439668), (31, 414870700), (38, 338447150), (50, 257219834), (62, 207435350), (67, 191955100), (76, 169223575), (95, 135378860), (100, 128609917), (124, 103717675), (134, 95977550), (155, 82974140), (190, 67689430), (268, 47988775), (310, 41487070), (335, 38391020), (380, 33844715), (475, 27075772), (589, 21835300), (620, 20743535), (670, 19195510), (775, 16594828), (950, 13537886), (1178, 10917650), (1273, 10102900), (1340, 9597755), (1550, 8297414), (1675, 7678204), (1900, 6768943), (2077, 6192100), (2356, 5458825), (2546, 5051450), (2945, 4367060), (3100, 4148707), (3259, 3946300), (3350, 3839102), (4154, 3096050), (5092, 2525725), (5890, 2183530), (6365, 2020580), (6518, 1973150), (6700, 1919551), (8308, 1548025), (10385, 1238420), (11780, 1091765), (12730, 1010290), (13036, 986575), (14725, 873412), (16295, 789260), (20770, 619210), (25460, 505145), (29450, 436706), (31825, 404116), (32590, 394630), (39463, 325900), (41540, 309605), (51925, 247684), (58900, 218353), (61921, 207700), (63650, 202058), (65180, 197315), (78926, 162950), (81475, 157852), (101029, 127300), (103850, 123842)]