68529890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2867

約数の個数: 64

約数和(自身を含む): 153498240

約数和(自身を除く): 84968350

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1430, 1870, 2210, 2431, 2819, 4862, 5638, 12155, 14095, 24310, 28190, 31009, 36647, 47923, 62018, 73294, 95846, 155045, 183235, 239615, 310090, 366470, 403117, 479230, 527153, 622999, 806234, 1054306, 1245998, 2015585, 2635765, 3114995, 4031170, 5271530, 6229990, 6852989, 13705978, 34264945, 68529890]

約数ペア:

[(1, 68529890), (2, 34264945), (5, 13705978), (10, 6852989), (11, 6229990), (13, 5271530), (17, 4031170), (22, 3114995), (26, 2635765), (34, 2015585), (55, 1245998), (65, 1054306), (85, 806234), (110, 622999), (130, 527153), (143, 479230), (170, 403117), (187, 366470), (221, 310090), (286, 239615), (374, 183235), (442, 155045), (715, 95846), (935, 73294), (1105, 62018), (1430, 47923), (1870, 36647), (2210, 31009), (2431, 28190), (2819, 24310), (4862, 14095), (5638, 12155)]