31961930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 80510976

約数和(自身を除く): 48549046

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 31, 35, 55, 62, 65, 70, 77, 91, 103, 110, 130, 143, 154, 155, 182, 206, 217, 286, 310, 341, 385, 403, 434, 455, 515, 682, 715, 721, 770, 806, 910, 1001, 1030, 1085, 1133, 1339, 1430, 1442, 1705, 2002, 2015, 2170, 2266, 2387, 2678, 2821, 3193, 3410, 3605, 4030, 4433, 4774, 5005, 5642, 5665, 6386, 6695, 7210, 7931, 8866, 9373, 10010, 11330, 11935, 13390, 14105, 14729, 15862, 15965, 18746, 22165, 22351, 23870, 28210, 29458, 31031, 31930, 35123, 39655, 41509, 44330, 44702, 46865, 62062, 70246, 73645, 79310, 83018, 93730, 103103, 111755, 147290, 155155, 175615, 206206, 207545, 223510, 245861, 290563, 310310, 351230, 415090, 456599, 491722, 515515, 581126, 913198, 1031030, 1229305, 1452815, 2282995, 2458610, 2905630, 3196193, 4565990, 6392386, 15980965, 31961930]

約数ペア:

[(1, 31961930), (2, 15980965), (5, 6392386), (7, 4565990), (10, 3196193), (11, 2905630), (13, 2458610), (14, 2282995), (22, 1452815), (26, 1229305), (31, 1031030), (35, 913198), (55, 581126), (62, 515515), (65, 491722), (70, 456599), (77, 415090), (91, 351230), (103, 310310), (110, 290563), (130, 245861), (143, 223510), (154, 207545), (155, 206206), (182, 175615), (206, 155155), (217, 147290), (286, 111755), (310, 103103), (341, 93730), (385, 83018), (403, 79310), (434, 73645), (455, 70246), (515, 62062), (682, 46865), (715, 44702), (721, 44330), (770, 41509), (806, 39655), (910, 35123), (1001, 31930), (1030, 31031), (1085, 29458), (1133, 28210), (1339, 23870), (1430, 22351), (1442, 22165), (1705, 18746), (2002, 15965), (2015, 15862), (2170, 14729), (2266, 14105), (2387, 13390), (2678, 11935), (2821, 11330), (3193, 10010), (3410, 9373), (3605, 8866), (4030, 7931), (4433, 7210), (4774, 6695), (5005, 6386), (5642, 5665)]