128978600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 314979840

約数和(自身を除く): 186001240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 71, 100, 124, 142, 155, 200, 248, 284, 293, 310, 355, 568, 586, 620, 710, 775, 1172, 1240, 1420, 1465, 1550, 1775, 2201, 2344, 2840, 2930, 3100, 3550, 4402, 5860, 6200, 7100, 7325, 8804, 9083, 11005, 11720, 14200, 14650, 17608, 18166, 20803, 22010, 29300, 36332, 41606, 44020, 45415, 55025, 58600, 72664, 83212, 88040, 90830, 104015, 110050, 166424, 181660, 208030, 220100, 227075, 363320, 416060, 440200, 454150, 520075, 644893, 832120, 908300, 1040150, 1289786, 1816600, 2080300, 2579572, 3224465, 4160600, 5159144, 6448930, 12897860, 16122325, 25795720, 32244650, 64489300, 128978600]

約数ペア:

[(1, 128978600), (2, 64489300), (4, 32244650), (5, 25795720), (8, 16122325), (10, 12897860), (20, 6448930), (25, 5159144), (31, 4160600), (40, 3224465), (50, 2579572), (62, 2080300), (71, 1816600), (100, 1289786), (124, 1040150), (142, 908300), (155, 832120), (200, 644893), (248, 520075), (284, 454150), (293, 440200), (310, 416060), (355, 363320), (568, 227075), (586, 220100), (620, 208030), (710, 181660), (775, 166424), (1172, 110050), (1240, 104015), (1420, 90830), (1465, 88040), (1550, 83212), (1775, 72664), (2201, 58600), (2344, 55025), (2840, 45415), (2930, 44020), (3100, 41606), (3550, 36332), (4402, 29300), (5860, 22010), (6200, 20803), (7100, 18166), (7325, 17608), (8804, 14650), (9083, 14200), (11005, 11720)]