31053220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 82954368

約数和(自身を除く): 51901148

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 23, 34, 38, 44, 46, 55, 68, 76, 85, 92, 95, 110, 115, 170, 187, 190, 209, 220, 230, 253, 323, 340, 361, 374, 380, 391, 418, 437, 460, 506, 646, 722, 748, 782, 836, 874, 935, 1012, 1045, 1265, 1292, 1444, 1564, 1615, 1748, 1805, 1870, 1955, 2090, 2185, 2530, 3230, 3553, 3610, 3740, 3910, 3971, 4180, 4301, 4370, 4807, 5060, 6137, 6460, 7106, 7220, 7429, 7820, 7942, 8303, 8602, 8740, 9614, 12274, 14212, 14858, 15884, 16606, 17204, 17765, 19228, 19855, 21505, 24035, 24548, 29716, 30685, 33212, 35530, 37145, 39710, 41515, 43010, 48070, 61370, 67507, 71060, 74290, 79420, 81719, 83030, 86020, 91333, 96140, 122740, 135014, 141151, 148580, 163438, 166060, 182666, 270028, 282302, 326876, 337535, 365332, 408595, 456665, 564604, 675070, 705755, 817190, 913330, 1350140, 1411510, 1552661, 1634380, 1826660, 2823020, 3105322, 6210644, 7763305, 15526610, 31053220]

約数ペア:

[(1, 31053220), (2, 15526610), (4, 7763305), (5, 6210644), (10, 3105322), (11, 2823020), (17, 1826660), (19, 1634380), (20, 1552661), (22, 1411510), (23, 1350140), (34, 913330), (38, 817190), (44, 705755), (46, 675070), (55, 564604), (68, 456665), (76, 408595), (85, 365332), (92, 337535), (95, 326876), (110, 282302), (115, 270028), (170, 182666), (187, 166060), (190, 163438), (209, 148580), (220, 141151), (230, 135014), (253, 122740), (323, 96140), (340, 91333), (361, 86020), (374, 83030), (380, 81719), (391, 79420), (418, 74290), (437, 71060), (460, 67507), (506, 61370), (646, 48070), (722, 43010), (748, 41515), (782, 39710), (836, 37145), (874, 35530), (935, 33212), (1012, 30685), (1045, 29716), (1265, 24548), (1292, 24035), (1444, 21505), (1564, 19855), (1615, 19228), (1748, 17765), (1805, 17204), (1870, 16606), (1955, 15884), (2090, 14858), (2185, 14212), (2530, 12274), (3230, 9614), (3553, 8740), (3610, 8602), (3740, 8303), (3910, 7942), (3971, 7820), (4180, 7429), (4301, 7220), (4370, 7106), (4807, 6460), (5060, 6137)]