400301330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1783}}^1$

素因数の和:1971

約数の個数: 64

約数和(自身を含む): 852380928

約数和(自身を除く): 452079598

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 157, 286, 314, 715, 785, 1430, 1570, 1727, 1783, 2041, 3454, 3566, 4082, 8635, 8915, 10205, 17270, 17830, 19613, 20410, 22451, 23179, 39226, 44902, 46358, 98065, 112255, 115895, 196130, 224510, 231790, 254969, 279931, 509938, 559862, 1274845, 1399655, 2549690, 2799310, 3079241, 3639103, 6158482, 7278206, 15396205, 18195515, 30792410, 36391030, 40030133, 80060266, 200150665, 400301330]

約数ペア:

[(1, 400301330), (2, 200150665), (5, 80060266), (10, 40030133), (11, 36391030), (13, 30792410), (22, 18195515), (26, 15396205), (55, 7278206), (65, 6158482), (110, 3639103), (130, 3079241), (143, 2799310), (157, 2549690), (286, 1399655), (314, 1274845), (715, 559862), (785, 509938), (1430, 279931), (1570, 254969), (1727, 231790), (1783, 224510), (2041, 196130), (3454, 115895), (3566, 112255), (4082, 98065), (8635, 46358), (8915, 44902), (10205, 39226), (17270, 23179), (17830, 22451), (19613, 20410)]