201990102

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 438877440

約数和(自身を除く): 236887338

約数列:

[1, 2, 3, 6, 19, 38, 53, 57, 101, 106, 114, 159, 202, 303, 318, 331, 606, 662, 993, 1007, 1919, 1986, 2014, 3021, 3838, 5353, 5757, 6042, 6289, 10706, 11514, 12578, 16059, 17543, 18867, 32118, 33431, 35086, 37734, 52629, 66862, 100293, 101707, 105258, 200586, 203414, 305121, 333317, 610242, 635189, 666634, 999951, 1270378, 1771843, 1905567, 1999902, 3543686, 3811134, 5315529, 10631058, 33665017, 67330034, 100995051, 201990102]

約数ペア:

[(1, 201990102), (2, 100995051), (3, 67330034), (6, 33665017), (19, 10631058), (38, 5315529), (53, 3811134), (57, 3543686), (101, 1999902), (106, 1905567), (114, 1771843), (159, 1270378), (202, 999951), (303, 666634), (318, 635189), (331, 610242), (606, 333317), (662, 305121), (993, 203414), (1007, 200586), (1919, 105258), (1986, 101707), (2014, 100293), (3021, 66862), (3838, 52629), (5353, 37734), (5757, 35086), (6042, 33431), (6289, 32118), (10706, 18867), (11514, 17543), (12578, 16059)]