253192280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 656916480

約数和(自身を除く): 403724200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 127, 184, 197, 220, 230, 253, 254, 394, 440, 460, 506, 508, 635, 788, 920, 985, 1012, 1016, 1265, 1270, 1397, 1576, 1970, 2024, 2167, 2530, 2540, 2794, 2921, 3940, 4334, 4531, 5060, 5080, 5588, 5842, 6985, 7880, 8668, 9062, 10120, 10835, 11176, 11684, 13970, 14605, 17336, 18124, 21670, 22655, 23368, 25019, 27940, 29210, 32131, 36248, 43340, 45310, 49841, 50038, 55880, 58420, 64262, 86680, 90620, 99682, 100076, 116840, 125095, 128524, 160655, 181240, 199364, 200152, 249205, 250190, 257048, 275209, 321310, 398728, 498410, 500380, 550418, 575437, 642620, 996820, 1000760, 1100836, 1150874, 1285240, 1376045, 1993640, 2201672, 2301748, 2752090, 2877185, 4603496, 5504180, 5754370, 6329807, 11008360, 11508740, 12659614, 23017480, 25319228, 31649035, 50638456, 63298070, 126596140, 253192280]

約数ペア:

[(1, 253192280), (2, 126596140), (4, 63298070), (5, 50638456), (8, 31649035), (10, 25319228), (11, 23017480), (20, 12659614), (22, 11508740), (23, 11008360), (40, 6329807), (44, 5754370), (46, 5504180), (55, 4603496), (88, 2877185), (92, 2752090), (110, 2301748), (115, 2201672), (127, 1993640), (184, 1376045), (197, 1285240), (220, 1150874), (230, 1100836), (253, 1000760), (254, 996820), (394, 642620), (440, 575437), (460, 550418), (506, 500380), (508, 498410), (635, 398728), (788, 321310), (920, 275209), (985, 257048), (1012, 250190), (1016, 249205), (1265, 200152), (1270, 199364), (1397, 181240), (1576, 160655), (1970, 128524), (2024, 125095), (2167, 116840), (2530, 100076), (2540, 99682), (2794, 90620), (2921, 86680), (3940, 64262), (4334, 58420), (4531, 55880), (5060, 50038), (5080, 49841), (5588, 45310), (5842, 43340), (6985, 36248), (7880, 32131), (8668, 29210), (9062, 27940), (10120, 25019), (10835, 23368), (11176, 22655), (11684, 21670), (13970, 18124), (14605, 17336)]