90407156

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 199717056

約数和(自身を除く): 109309900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 49, 68, 86, 98, 119, 172, 196, 238, 301, 476, 602, 631, 731, 833, 1204, 1262, 1462, 1666, 2107, 2524, 2924, 3332, 4214, 4417, 5117, 8428, 8834, 10234, 10727, 17668, 20468, 21454, 27133, 30919, 35819, 42908, 54266, 61838, 71638, 75089, 108532, 123676, 143276, 150178, 189931, 300356, 379862, 461261, 525623, 759724, 922522, 1051246, 1329517, 1845044, 2102492, 2659034, 3228827, 5318068, 6457654, 12915308, 22601789, 45203578, 90407156]

約数ペア:

[(1, 90407156), (2, 45203578), (4, 22601789), (7, 12915308), (14, 6457654), (17, 5318068), (28, 3228827), (34, 2659034), (43, 2102492), (49, 1845044), (68, 1329517), (86, 1051246), (98, 922522), (119, 759724), (172, 525623), (196, 461261), (238, 379862), (301, 300356), (476, 189931), (602, 150178), (631, 143276), (731, 123676), (833, 108532), (1204, 75089), (1262, 71638), (1462, 61838), (1666, 54266), (2107, 42908), (2524, 35819), (2924, 30919), (3332, 27133), (4214, 21454), (4417, 20468), (5117, 17668), (8428, 10727), (8834, 10234)]