2049887960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{141959}}^1$

素因数の和:142008

約数の個数: 48

約数和(自身を含む): 4867808400

約数和(自身を除く): 2817920440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 141959, 283918, 567836, 709795, 1135672, 1419590, 2697221, 2839180, 5394442, 5678360, 10788884, 13486105, 21577768, 26972210, 51247199, 53944420, 102494398, 107888840, 204988796, 256235995, 409977592, 512471990, 1024943980, 2049887960]

約数ペア:

[(1, 2049887960), (2, 1024943980), (4, 512471990), (5, 409977592), (8, 256235995), (10, 204988796), (19, 107888840), (20, 102494398), (38, 53944420), (40, 51247199), (76, 26972210), (95, 21577768), (152, 13486105), (190, 10788884), (361, 5678360), (380, 5394442), (722, 2839180), (760, 2697221), (1444, 1419590), (1805, 1135672), (2888, 709795), (3610, 567836), (7220, 283918), (14440, 141959)]