121293620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2029}}^1$

素因数の和:2113

約数の個数: 72

約数和(自身を含む): 301308840

約数和(自身を除く): 180015220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2029, 2135, 2989, 4058, 4270, 5978, 8116, 8540, 10145, 11956, 14203, 14945, 20290, 28406, 29890, 40580, 56812, 59780, 71015, 99421, 123769, 142030, 198842, 247538, 284060, 397684, 495076, 497105, 618845, 866383, 994210, 1237690, 1732766, 1988420, 2475380, 3465532, 4331915, 6064681, 8663830, 12129362, 17327660, 24258724, 30323405, 60646810, 121293620]

約数ペア:

[(1, 121293620), (2, 60646810), (4, 30323405), (5, 24258724), (7, 17327660), (10, 12129362), (14, 8663830), (20, 6064681), (28, 4331915), (35, 3465532), (49, 2475380), (61, 1988420), (70, 1732766), (98, 1237690), (122, 994210), (140, 866383), (196, 618845), (244, 497105), (245, 495076), (305, 397684), (427, 284060), (490, 247538), (610, 198842), (854, 142030), (980, 123769), (1220, 99421), (1708, 71015), (2029, 59780), (2135, 56812), (2989, 40580), (4058, 29890), (4270, 28406), (5978, 20290), (8116, 14945), (8540, 14203), (10145, 11956)]