208213020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2704

約数の個数: 144

約数和(自身を含む): 693987840

約数和(自身を除く): 485774820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1380, 1710, 1748, 2070, 2185, 2622, 2647, 3420, 3933, 4140, 4370, 5244, 5294, 6555, 7866, 7941, 8740, 10588, 13110, 13235, 15732, 15882, 19665, 23823, 26220, 26470, 31764, 39330, 39705, 47646, 50293, 52940, 60881, 78660, 79410, 95292, 100586, 119115, 121762, 150879, 158820, 182643, 201172, 238230, 243524, 251465, 301758, 304405, 365286, 452637, 476460, 502930, 547929, 603516, 608810, 730572, 754395, 905274, 913215, 1005860, 1095858, 1156739, 1217620, 1508790, 1810548, 1826430, 2191716, 2263185, 2313478, 2739645, 3017580, 3470217, 3652860, 4526370, 4626956, 5479290, 5783695, 6940434, 9052740, 10410651, 10958580, 11567390, 13880868, 17351085, 20821302, 23134780, 34702170, 41642604, 52053255, 69404340, 104106510, 208213020]

約数ペア:

[(1, 208213020), (2, 104106510), (3, 69404340), (4, 52053255), (5, 41642604), (6, 34702170), (9, 23134780), (10, 20821302), (12, 17351085), (15, 13880868), (18, 11567390), (19, 10958580), (20, 10410651), (23, 9052740), (30, 6940434), (36, 5783695), (38, 5479290), (45, 4626956), (46, 4526370), (57, 3652860), (60, 3470217), (69, 3017580), (76, 2739645), (90, 2313478), (92, 2263185), (95, 2191716), (114, 1826430), (115, 1810548), (138, 1508790), (171, 1217620), (180, 1156739), (190, 1095858), (207, 1005860), (228, 913215), (230, 905274), (276, 754395), (285, 730572), (342, 608810), (345, 603516), (380, 547929), (414, 502930), (437, 476460), (460, 452637), (570, 365286), (684, 304405), (690, 301758), (828, 251465), (855, 243524), (874, 238230), (1035, 201172), (1140, 182643), (1311, 158820), (1380, 150879), (1710, 121762), (1748, 119115), (2070, 100586), (2185, 95292), (2622, 79410), (2647, 78660), (3420, 60881), (3933, 52940), (4140, 50293), (4370, 47646), (5244, 39705), (5294, 39330), (6555, 31764), (7866, 26470), (7941, 26220), (8740, 23823), (10588, 19665), (13110, 15882), (13235, 15732)]