31971300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 99993600

約数和(自身を除く): 68022300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 71, 75, 76, 79, 95, 100, 114, 142, 150, 158, 190, 213, 228, 237, 284, 285, 300, 316, 355, 380, 395, 426, 474, 475, 570, 710, 790, 852, 948, 950, 1065, 1140, 1185, 1349, 1420, 1425, 1501, 1580, 1775, 1900, 1975, 2130, 2370, 2698, 2850, 3002, 3550, 3950, 4047, 4260, 4503, 4740, 5325, 5396, 5609, 5700, 5925, 6004, 6745, 7100, 7505, 7900, 8094, 9006, 10650, 11218, 11850, 13490, 15010, 16188, 16827, 18012, 20235, 21300, 22436, 22515, 23700, 26980, 28045, 30020, 33654, 33725, 37525, 40470, 45030, 56090, 67308, 67450, 75050, 80940, 84135, 90060, 101175, 106571, 112180, 112575, 134900, 140225, 150100, 168270, 202350, 213142, 225150, 280450, 319713, 336540, 404700, 420675, 426284, 450300, 532855, 560900, 639426, 841350, 1065710, 1278852, 1598565, 1682700, 2131420, 2664275, 3197130, 5328550, 6394260, 7992825, 10657100, 15985650, 31971300]

約数ペア:

[(1, 31971300), (2, 15985650), (3, 10657100), (4, 7992825), (5, 6394260), (6, 5328550), (10, 3197130), (12, 2664275), (15, 2131420), (19, 1682700), (20, 1598565), (25, 1278852), (30, 1065710), (38, 841350), (50, 639426), (57, 560900), (60, 532855), (71, 450300), (75, 426284), (76, 420675), (79, 404700), (95, 336540), (100, 319713), (114, 280450), (142, 225150), (150, 213142), (158, 202350), (190, 168270), (213, 150100), (228, 140225), (237, 134900), (284, 112575), (285, 112180), (300, 106571), (316, 101175), (355, 90060), (380, 84135), (395, 80940), (426, 75050), (474, 67450), (475, 67308), (570, 56090), (710, 45030), (790, 40470), (852, 37525), (948, 33725), (950, 33654), (1065, 30020), (1140, 28045), (1185, 26980), (1349, 23700), (1420, 22515), (1425, 22436), (1501, 21300), (1580, 20235), (1775, 18012), (1900, 16827), (1975, 16188), (2130, 15010), (2370, 13490), (2698, 11850), (2850, 11218), (3002, 10650), (3550, 9006), (3950, 8094), (4047, 7900), (4260, 7505), (4503, 7100), (4740, 6745), (5325, 6004), (5396, 5925), (5609, 5700)]