778847050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1279}}^1$

素因数の和:1951

約数の個数: 48

約数和(自身を含む): 1528473600

約数和(自身を除く): 749626550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 641, 950, 1279, 1282, 2558, 3205, 6395, 6410, 12179, 12790, 16025, 24301, 24358, 31975, 32050, 48602, 60895, 63950, 121505, 121790, 243010, 304475, 607525, 608950, 819839, 1215050, 1639678, 4099195, 8198390, 15576941, 20495975, 31153882, 40991950, 77884705, 155769410, 389423525, 778847050]

約数ペア:

[(1, 778847050), (2, 389423525), (5, 155769410), (10, 77884705), (19, 40991950), (25, 31153882), (38, 20495975), (50, 15576941), (95, 8198390), (190, 4099195), (475, 1639678), (641, 1215050), (950, 819839), (1279, 608950), (1282, 607525), (2558, 304475), (3205, 243010), (6395, 121790), (6410, 121505), (12179, 63950), (12790, 60895), (16025, 48602), (24301, 32050), (24358, 31975)]