31013780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 80269056

約数和(自身を除く): 49255276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 83, 85, 119, 140, 157, 166, 170, 238, 314, 332, 340, 415, 476, 581, 595, 628, 785, 830, 1099, 1162, 1190, 1411, 1570, 1660, 2198, 2324, 2380, 2669, 2822, 2905, 3140, 4396, 5338, 5495, 5644, 5810, 7055, 9877, 10676, 10990, 11620, 13031, 13345, 14110, 18683, 19754, 21980, 26062, 26690, 28220, 37366, 39508, 49385, 52124, 53380, 65155, 74732, 91217, 93415, 98770, 130310, 182434, 186830, 197540, 221527, 260620, 364868, 373660, 443054, 456085, 886108, 912170, 1107635, 1550689, 1824340, 2215270, 3101378, 4430540, 6202756, 7753445, 15506890, 31013780]

約数ペア:

[(1, 31013780), (2, 15506890), (4, 7753445), (5, 6202756), (7, 4430540), (10, 3101378), (14, 2215270), (17, 1824340), (20, 1550689), (28, 1107635), (34, 912170), (35, 886108), (68, 456085), (70, 443054), (83, 373660), (85, 364868), (119, 260620), (140, 221527), (157, 197540), (166, 186830), (170, 182434), (238, 130310), (314, 98770), (332, 93415), (340, 91217), (415, 74732), (476, 65155), (581, 53380), (595, 52124), (628, 49385), (785, 39508), (830, 37366), (1099, 28220), (1162, 26690), (1190, 26062), (1411, 21980), (1570, 19754), (1660, 18683), (2198, 14110), (2324, 13345), (2380, 13031), (2669, 11620), (2822, 10990), (2905, 10676), (3140, 9877), (4396, 7055), (5338, 5810), (5495, 5644)]