388049008

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 90

約数和(自身を含む): 836029824

約数和(自身を除く): 447980816

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 127, 152, 184, 254, 304, 361, 368, 437, 508, 529, 722, 874, 1016, 1058, 1444, 1748, 2032, 2116, 2413, 2888, 2921, 3496, 4232, 4826, 5776, 5842, 6992, 8303, 8464, 9652, 10051, 11684, 16606, 19304, 20102, 23368, 33212, 38608, 40204, 45847, 46736, 55499, 66424, 67183, 80408, 91694, 110998, 132848, 134366, 160816, 183388, 190969, 221996, 268732, 366776, 381938, 443992, 537464, 733552, 763876, 887984, 1054481, 1074928, 1276477, 1527752, 2108962, 2552954, 3055504, 4217924, 5105908, 8435848, 10211816, 16871696, 20423632, 24253063, 48506126, 97012252, 194024504, 388049008]

約数ペア:

[(1, 388049008), (2, 194024504), (4, 97012252), (8, 48506126), (16, 24253063), (19, 20423632), (23, 16871696), (38, 10211816), (46, 8435848), (76, 5105908), (92, 4217924), (127, 3055504), (152, 2552954), (184, 2108962), (254, 1527752), (304, 1276477), (361, 1074928), (368, 1054481), (437, 887984), (508, 763876), (529, 733552), (722, 537464), (874, 443992), (1016, 381938), (1058, 366776), (1444, 268732), (1748, 221996), (2032, 190969), (2116, 183388), (2413, 160816), (2888, 134366), (2921, 132848), (3496, 110998), (4232, 91694), (4826, 80408), (5776, 67183), (5842, 66424), (6992, 55499), (8303, 46736), (8464, 45847), (9652, 40204), (10051, 38608), (11684, 33212), (16606, 23368), (19304, 20102)]