2017798100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{1087}}^1$

素因数の和:2097

約数の個数: 72

約数和(自身を含む): 4618037760

約数和(自身を除く): 2600239660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 977, 1087, 1900, 1954, 2174, 3908, 4348, 4885, 5435, 9770, 10870, 18563, 19540, 20653, 21740, 24425, 27175, 37126, 41306, 48850, 54350, 74252, 82612, 92815, 97700, 103265, 108700, 185630, 206530, 371260, 413060, 464075, 516325, 928150, 1032650, 1061999, 1856300, 2065300, 2123998, 4247996, 5309995, 10619990, 20177981, 21239980, 26549975, 40355962, 53099950, 80711924, 100889905, 106199900, 201779810, 403559620, 504449525, 1008899050, 2017798100]

約数ペア:

[(1, 2017798100), (2, 1008899050), (4, 504449525), (5, 403559620), (10, 201779810), (19, 106199900), (20, 100889905), (25, 80711924), (38, 53099950), (50, 40355962), (76, 26549975), (95, 21239980), (100, 20177981), (190, 10619990), (380, 5309995), (475, 4247996), (950, 2123998), (977, 2065300), (1087, 1856300), (1900, 1061999), (1954, 1032650), (2174, 928150), (3908, 516325), (4348, 464075), (4885, 413060), (5435, 371260), (9770, 206530), (10870, 185630), (18563, 108700), (19540, 103265), (20653, 97700), (21740, 92815), (24425, 82612), (27175, 74252), (37126, 54350), (41306, 48850)]