2017454890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:988

約数の個数: 128

約数和(自身を含む): 4419256320

約数和(自身を除く): 2401801430

約数列:

[1, 2, 5, 10, 11, 22, 23, 29, 31, 46, 55, 58, 62, 110, 115, 145, 155, 230, 253, 290, 310, 319, 341, 506, 638, 667, 682, 713, 887, 899, 1265, 1334, 1426, 1595, 1705, 1774, 1798, 2530, 3190, 3335, 3410, 3565, 4435, 4495, 6670, 7130, 7337, 7843, 8870, 8990, 9757, 9889, 14674, 15686, 19514, 19778, 20401, 20677, 25723, 27497, 36685, 39215, 40802, 41354, 48785, 49445, 51446, 54994, 73370, 78430, 97570, 98890, 102005, 103385, 128615, 137485, 204010, 206770, 224411, 227447, 257230, 274970, 282953, 302467, 448822, 454894, 565906, 591629, 604934, 632431, 797413, 1122055, 1137235, 1183258, 1264862, 1414765, 1512335, 1594826, 2244110, 2274470, 2829530, 2958145, 3024670, 3162155, 3987065, 5916290, 6324310, 6507919, 6956741, 7974130, 8771543, 13015838, 13913482, 17543086, 18340499, 32539595, 34783705, 36680998, 43857715, 65079190, 69567410, 87715430, 91702495, 183404990, 201745489, 403490978, 1008727445, 2017454890]

約数ペア:

[(1, 2017454890), (2, 1008727445), (5, 403490978), (10, 201745489), (11, 183404990), (22, 91702495), (23, 87715430), (29, 69567410), (31, 65079190), (46, 43857715), (55, 36680998), (58, 34783705), (62, 32539595), (110, 18340499), (115, 17543086), (145, 13913482), (155, 13015838), (230, 8771543), (253, 7974130), (290, 6956741), (310, 6507919), (319, 6324310), (341, 5916290), (506, 3987065), (638, 3162155), (667, 3024670), (682, 2958145), (713, 2829530), (887, 2274470), (899, 2244110), (1265, 1594826), (1334, 1512335), (1426, 1414765), (1595, 1264862), (1705, 1183258), (1774, 1137235), (1798, 1122055), (2530, 797413), (3190, 632431), (3335, 604934), (3410, 591629), (3565, 565906), (4435, 454894), (4495, 448822), (6670, 302467), (7130, 282953), (7337, 274970), (7843, 257230), (8870, 227447), (8990, 224411), (9757, 206770), (9889, 204010), (14674, 137485), (15686, 128615), (19514, 103385), (19778, 102005), (20401, 98890), (20677, 97570), (25723, 78430), (27497, 73370), (36685, 54994), (39215, 51446), (40802, 49445), (41354, 48785)]