202564775

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 316024416

約数和(自身を除く): 113459641

約数列:

[1, 5, 7, 17, 25, 35, 49, 71, 85, 119, 137, 175, 245, 355, 425, 497, 595, 685, 833, 959, 1207, 1225, 1775, 2329, 2485, 2975, 3425, 3479, 4165, 4795, 6035, 6713, 8449, 9727, 11645, 12425, 16303, 17395, 20825, 23975, 30175, 33565, 42245, 48635, 58225, 59143, 68089, 81515, 86975, 114121, 165359, 167825, 211225, 243175, 295715, 340445, 407575, 476623, 570605, 826795, 1157513, 1478575, 1702225, 2383115, 2853025, 4133975, 5787565, 8102591, 11915575, 28937825, 40512955, 202564775]

約数ペア:

[(1, 202564775), (5, 40512955), (7, 28937825), (17, 11915575), (25, 8102591), (35, 5787565), (49, 4133975), (71, 2853025), (85, 2383115), (119, 1702225), (137, 1478575), (175, 1157513), (245, 826795), (355, 570605), (425, 476623), (497, 407575), (595, 340445), (685, 295715), (833, 243175), (959, 211225), (1207, 167825), (1225, 165359), (1775, 114121), (2329, 86975), (2485, 81515), (2975, 68089), (3425, 59143), (3479, 58225), (4165, 48635), (4795, 42245), (6035, 33565), (6713, 30175), (8449, 23975), (9727, 20825), (11645, 17395), (12425, 16303)]