201980488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 410256000

約数和(自身を除く): 208275512

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 109, 146, 152, 167, 218, 292, 334, 436, 584, 668, 872, 1336, 1387, 2071, 2774, 3173, 4142, 5548, 6346, 7957, 8284, 11096, 12191, 12692, 15914, 16568, 18203, 24382, 25384, 31828, 36406, 48764, 63656, 72812, 97528, 145624, 151183, 231629, 302366, 345857, 463258, 604732, 691714, 926516, 1209464, 1328819, 1383428, 1853032, 2657638, 2766856, 5315276, 10630552, 25247561, 50495122, 100990244, 201980488]

約数ペア:

[(1, 201980488), (2, 100990244), (4, 50495122), (8, 25247561), (19, 10630552), (38, 5315276), (73, 2766856), (76, 2657638), (109, 1853032), (146, 1383428), (152, 1328819), (167, 1209464), (218, 926516), (292, 691714), (334, 604732), (436, 463258), (584, 345857), (668, 302366), (872, 231629), (1336, 151183), (1387, 145624), (2071, 97528), (2774, 72812), (3173, 63656), (4142, 48764), (5548, 36406), (6346, 31828), (7957, 25384), (8284, 24382), (11096, 18203), (12191, 16568), (12692, 15914)]