31388630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2029}}^1$

素因数の和:2073

約数の個数: 64

約数和(自身を含む): 73664640

約数和(自身を除く): 42276010

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 2029, 2210, 3094, 4058, 7735, 10145, 14203, 15470, 20290, 26377, 28406, 34493, 52754, 68986, 71015, 131885, 142030, 172465, 184639, 241451, 263770, 344930, 369278, 448409, 482902, 896818, 923195, 1207255, 1846390, 2242045, 2414510, 3138863, 4484090, 6277726, 15694315, 31388630]

約数ペア:

[(1, 31388630), (2, 15694315), (5, 6277726), (7, 4484090), (10, 3138863), (13, 2414510), (14, 2242045), (17, 1846390), (26, 1207255), (34, 923195), (35, 896818), (65, 482902), (70, 448409), (85, 369278), (91, 344930), (119, 263770), (130, 241451), (170, 184639), (182, 172465), (221, 142030), (238, 131885), (442, 71015), (455, 68986), (595, 52754), (910, 34493), (1105, 28406), (1190, 26377), (1547, 20290), (2029, 15470), (2210, 14203), (3094, 10145), (4058, 7735)]