2019985220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1993}}^1$

素因数の和:2301

約数の個数: 96

約数和(自身を含む): 4920362496

約数和(自身を除く): 2900377276

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 271, 340, 374, 542, 748, 935, 1084, 1355, 1870, 1993, 2710, 2981, 3740, 3986, 4607, 5420, 5962, 7972, 9214, 9965, 11924, 14905, 18428, 19930, 21923, 23035, 29810, 33881, 39860, 43846, 46070, 50677, 59620, 67762, 87692, 92140, 101354, 109615, 135524, 169405, 202708, 219230, 253385, 338810, 372691, 438460, 506770, 540103, 677620, 745382, 1013540, 1080206, 1490764, 1863455, 2160412, 2700515, 3726910, 5401030, 5941133, 7453820, 9181751, 10802060, 11882266, 18363502, 23764532, 29705665, 36727004, 45908755, 59411330, 91817510, 100999261, 118822660, 183635020, 201998522, 403997044, 504996305, 1009992610, 2019985220]

約数ペア:

[(1, 2019985220), (2, 1009992610), (4, 504996305), (5, 403997044), (10, 201998522), (11, 183635020), (17, 118822660), (20, 100999261), (22, 91817510), (34, 59411330), (44, 45908755), (55, 36727004), (68, 29705665), (85, 23764532), (110, 18363502), (170, 11882266), (187, 10802060), (220, 9181751), (271, 7453820), (340, 5941133), (374, 5401030), (542, 3726910), (748, 2700515), (935, 2160412), (1084, 1863455), (1355, 1490764), (1870, 1080206), (1993, 1013540), (2710, 745382), (2981, 677620), (3740, 540103), (3986, 506770), (4607, 438460), (5420, 372691), (5962, 338810), (7972, 253385), (9214, 219230), (9965, 202708), (11924, 169405), (14905, 135524), (18428, 109615), (19930, 101354), (21923, 92140), (23035, 87692), (29810, 67762), (33881, 59620), (39860, 50677), (43846, 46070)]