649888922600

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1249}}^1\times {\mathrm{26821}}^1$

素因数の和:28183

約数の個数: 96

約数和(自身を含む): 1527848175000

約数和(自身を除く): 877959252400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1249, 1940, 2425, 2498, 3880, 4850, 4996, 6245, 9700, 9992, 12490, 19400, 24980, 26821, 31225, 49960, 53642, 62450, 107284, 121153, 124900, 134105, 214568, 242306, 249800, 268210, 484612, 536420, 605765, 670525, 969224, 1072840, 1211530, 1341050, 2423060, 2601637, 2682100, 3028825, 4846120, 5203274, 5364200, 6057650, 10406548, 12115300, 13008185, 20813096, 24230600, 26016370, 33499429, 52032740, 65040925, 66998858, 104065480, 130081850, 133997716, 167497145, 260163700, 267995432, 334994290, 520327400, 669988580, 837485725, 1339977160, 1674971450, 3249444613, 3349942900, 6498889226, 6699885800, 12997778452, 16247223065, 25995556904, 32494446130, 64988892260, 81236115325, 129977784520, 162472230650, 324944461300, 649888922600]

約数ペア:

[(1, 649888922600), (2, 324944461300), (4, 162472230650), (5, 129977784520), (8, 81236115325), (10, 64988892260), (20, 32494446130), (25, 25995556904), (40, 16247223065), (50, 12997778452), (97, 6699885800), (100, 6498889226), (194, 3349942900), (200, 3249444613), (388, 1674971450), (485, 1339977160), (776, 837485725), (970, 669988580), (1249, 520327400), (1940, 334994290), (2425, 267995432), (2498, 260163700), (3880, 167497145), (4850, 133997716), (4996, 130081850), (6245, 104065480), (9700, 66998858), (9992, 65040925), (12490, 52032740), (19400, 33499429), (24980, 26016370), (26821, 24230600), (31225, 20813096), (49960, 13008185), (53642, 12115300), (62450, 10406548), (107284, 6057650), (121153, 5364200), (124900, 5203274), (134105, 4846120), (214568, 3028825), (242306, 2682100), (249800, 2601637), (268210, 2423060), (484612, 1341050), (536420, 1211530), (605765, 1072840), (670525, 969224)]