31030090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 71888256

約数和(自身を除く): 40858166

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 61, 65, 70, 86, 91, 122, 130, 169, 182, 215, 301, 305, 338, 427, 430, 455, 559, 602, 610, 793, 845, 854, 910, 1118, 1183, 1505, 1586, 1690, 2135, 2366, 2623, 2795, 3010, 3913, 3965, 4270, 5246, 5551, 5590, 5915, 7267, 7826, 7930, 10309, 11102, 11830, 13115, 14534, 18361, 19565, 20618, 26230, 27755, 34099, 36335, 36722, 39130, 50869, 51545, 55510, 68198, 72163, 72670, 91805, 101738, 103090, 144326, 170495, 183610, 238693, 254345, 340990, 360815, 443287, 477386, 508690, 721630, 886574, 1193465, 2216435, 2386930, 3103009, 4432870, 6206018, 15515045, 31030090]

約数ペア:

[(1, 31030090), (2, 15515045), (5, 6206018), (7, 4432870), (10, 3103009), (13, 2386930), (14, 2216435), (26, 1193465), (35, 886574), (43, 721630), (61, 508690), (65, 477386), (70, 443287), (86, 360815), (91, 340990), (122, 254345), (130, 238693), (169, 183610), (182, 170495), (215, 144326), (301, 103090), (305, 101738), (338, 91805), (427, 72670), (430, 72163), (455, 68198), (559, 55510), (602, 51545), (610, 50869), (793, 39130), (845, 36722), (854, 36335), (910, 34099), (1118, 27755), (1183, 26230), (1505, 20618), (1586, 19565), (1690, 18361), (2135, 14534), (2366, 13115), (2623, 11830), (2795, 11102), (3010, 10309), (3913, 7930), (3965, 7826), (4270, 7267), (5246, 5915), (5551, 5590)]