8989890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 27578880

約数和(自身を除く): 18588990

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 37, 39, 42, 65, 70, 74, 78, 89, 91, 105, 111, 130, 178, 182, 185, 195, 210, 222, 259, 267, 273, 370, 390, 445, 455, 481, 518, 534, 546, 555, 623, 777, 890, 910, 962, 1110, 1157, 1246, 1295, 1335, 1365, 1443, 1554, 1869, 2314, 2405, 2590, 2670, 2730, 2886, 3115, 3293, 3367, 3471, 3738, 3885, 4810, 5785, 6230, 6586, 6734, 6942, 7215, 7770, 8099, 9345, 9879, 10101, 11570, 14430, 16198, 16465, 16835, 17355, 18690, 19758, 20202, 23051, 24297, 32930, 33670, 34710, 40495, 42809, 46102, 48594, 49395, 50505, 69153, 80990, 85618, 98790, 101010, 115255, 121485, 128427, 138306, 214045, 230510, 242970, 256854, 299663, 345765, 428090, 599326, 642135, 691530, 898989, 1284270, 1498315, 1797978, 2996630, 4494945, 8989890]

約数ペア:

[(1, 8989890), (2, 4494945), (3, 2996630), (5, 1797978), (6, 1498315), (7, 1284270), (10, 898989), (13, 691530), (14, 642135), (15, 599326), (21, 428090), (26, 345765), (30, 299663), (35, 256854), (37, 242970), (39, 230510), (42, 214045), (65, 138306), (70, 128427), (74, 121485), (78, 115255), (89, 101010), (91, 98790), (105, 85618), (111, 80990), (130, 69153), (178, 50505), (182, 49395), (185, 48594), (195, 46102), (210, 42809), (222, 40495), (259, 34710), (267, 33670), (273, 32930), (370, 24297), (390, 23051), (445, 20202), (455, 19758), (481, 18690), (518, 17355), (534, 16835), (546, 16465), (555, 16198), (623, 14430), (777, 11570), (890, 10101), (910, 9879), (962, 9345), (1110, 8099), (1157, 7770), (1246, 7215), (1295, 6942), (1335, 6734), (1365, 6586), (1443, 6230), (1554, 5785), (1869, 4810), (2314, 3885), (2405, 3738), (2590, 3471), (2670, 3367), (2730, 3293), (2886, 3115)]