2881871800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{236219}}^1$

素因数の和:236296

約数の個数: 48

約数和(自身を含む): 6810222600

約数和(自身を除く): 3928350800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 236219, 472438, 944876, 1181095, 1889752, 2362190, 4724380, 5905475, 9448760, 11810950, 14409359, 23621900, 28818718, 47243800, 57637436, 72046795, 115274872, 144093590, 288187180, 360233975, 576374360, 720467950, 1440935900, 2881871800]

約数ペア:

[(1, 2881871800), (2, 1440935900), (4, 720467950), (5, 576374360), (8, 360233975), (10, 288187180), (20, 144093590), (25, 115274872), (40, 72046795), (50, 57637436), (61, 47243800), (100, 28818718), (122, 23621900), (200, 14409359), (244, 11810950), (305, 9448760), (488, 5905475), (610, 4724380), (1220, 2362190), (1525, 1889752), (2440, 1181095), (3050, 944876), (6100, 472438), (12200, 236219)]