189662940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55457}}^1$

素因数の和:55491

約数の個数: 72

約数和(自身を含む): 605601360

約数和(自身を除く): 415938420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 55457, 110914, 166371, 221828, 277285, 332742, 499113, 554570, 665484, 831855, 998226, 1053683, 1109140, 1663710, 1996452, 2107366, 2495565, 3161049, 3327420, 4214732, 4991130, 5268415, 6322098, 9483147, 9982260, 10536830, 12644196, 15805245, 18966294, 21073660, 31610490, 37932588, 47415735, 63220980, 94831470, 189662940]

約数ペア:

[(1, 189662940), (2, 94831470), (3, 63220980), (4, 47415735), (5, 37932588), (6, 31610490), (9, 21073660), (10, 18966294), (12, 15805245), (15, 12644196), (18, 10536830), (19, 9982260), (20, 9483147), (30, 6322098), (36, 5268415), (38, 4991130), (45, 4214732), (57, 3327420), (60, 3161049), (76, 2495565), (90, 2107366), (95, 1996452), (114, 1663710), (171, 1109140), (180, 1053683), (190, 998226), (228, 831855), (285, 665484), (342, 554570), (380, 499113), (570, 332742), (684, 277285), (855, 221828), (1140, 166371), (1710, 110914), (3420, 55457)]