90996700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1099

約数の個数: 72

約数和(自身を含む): 212486400

約数和(自身を除く): 121489700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 380, 470, 475, 893, 940, 950, 1019, 1175, 1786, 1900, 2038, 2350, 3572, 4076, 4465, 4700, 5095, 8930, 10190, 17860, 19361, 20380, 22325, 25475, 38722, 44650, 47893, 50950, 77444, 89300, 95786, 96805, 101900, 191572, 193610, 239465, 387220, 478930, 484025, 909967, 957860, 968050, 1197325, 1819934, 1936100, 2394650, 3639868, 4549835, 4789300, 9099670, 18199340, 22749175, 45498350, 90996700]

約数ペア:

[(1, 90996700), (2, 45498350), (4, 22749175), (5, 18199340), (10, 9099670), (19, 4789300), (20, 4549835), (25, 3639868), (38, 2394650), (47, 1936100), (50, 1819934), (76, 1197325), (94, 968050), (95, 957860), (100, 909967), (188, 484025), (190, 478930), (235, 387220), (380, 239465), (470, 193610), (475, 191572), (893, 101900), (940, 96805), (950, 95786), (1019, 89300), (1175, 77444), (1786, 50950), (1900, 47893), (2038, 44650), (2350, 38722), (3572, 25475), (4076, 22325), (4465, 20380), (4700, 19361), (5095, 17860), (8930, 10190)]