2009668760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1033

約数の個数: 128

約数和(自身を含む): 5213894400

約数和(自身を除く): 3204225640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 421, 440, 571, 760, 836, 842, 1045, 1142, 1672, 1684, 2090, 2105, 2284, 2855, 3368, 4180, 4210, 4568, 4631, 5710, 6281, 7999, 8360, 8420, 9262, 10849, 11420, 12562, 15998, 16840, 18524, 21698, 22840, 23155, 25124, 31405, 31996, 37048, 39995, 43396, 46310, 50248, 54245, 62810, 63992, 79990, 86792, 87989, 92620, 108490, 119339, 125620, 159980, 175978, 185240, 216980, 238678, 240391, 251240, 319960, 351956, 433960, 439945, 477356, 480782, 596695, 703912, 879890, 954712, 961564, 1193390, 1201955, 1759780, 1923128, 2386780, 2403910, 2644301, 3519560, 4567429, 4773560, 4807820, 5288602, 9134858, 9615640, 10577204, 13221505, 18269716, 21154408, 22837145, 26443010, 36539432, 45674290, 50241719, 52886020, 91348580, 100483438, 105772040, 182697160, 200966876, 251208595, 401933752, 502417190, 1004834380, 2009668760]

約数ペア:

[(1, 2009668760), (2, 1004834380), (4, 502417190), (5, 401933752), (8, 251208595), (10, 200966876), (11, 182697160), (19, 105772040), (20, 100483438), (22, 91348580), (38, 52886020), (40, 50241719), (44, 45674290), (55, 36539432), (76, 26443010), (88, 22837145), (95, 21154408), (110, 18269716), (152, 13221505), (190, 10577204), (209, 9615640), (220, 9134858), (380, 5288602), (418, 4807820), (421, 4773560), (440, 4567429), (571, 3519560), (760, 2644301), (836, 2403910), (842, 2386780), (1045, 1923128), (1142, 1759780), (1672, 1201955), (1684, 1193390), (2090, 961564), (2105, 954712), (2284, 879890), (2855, 703912), (3368, 596695), (4180, 480782), (4210, 477356), (4568, 439945), (4631, 433960), (5710, 351956), (6281, 319960), (7999, 251240), (8360, 240391), (8420, 238678), (9262, 216980), (10849, 185240), (11420, 175978), (12562, 159980), (15998, 125620), (16840, 119339), (18524, 108490), (21698, 92620), (22840, 87989), (23155, 86792), (25124, 79990), (31405, 63992), (31996, 62810), (37048, 54245), (39995, 50248), (43396, 46310)]