2789366920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{3167}}^1$

素因数の和:3502

約数の個数: 64

約数和(自身を含む): 6370721280

約数和(自身を除く): 3581354360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 227, 388, 454, 485, 776, 908, 970, 1135, 1816, 1940, 2270, 3167, 3880, 4540, 6334, 9080, 12668, 15835, 22019, 25336, 31670, 44038, 63340, 88076, 110095, 126680, 176152, 220190, 307199, 440380, 614398, 718909, 880760, 1228796, 1437818, 1535995, 2457592, 2875636, 3071990, 3594545, 5751272, 6143980, 7189090, 12287960, 14378180, 28756360, 69734173, 139468346, 278936692, 348670865, 557873384, 697341730, 1394683460, 2789366920]

約数ペア:

[(1, 2789366920), (2, 1394683460), (4, 697341730), (5, 557873384), (8, 348670865), (10, 278936692), (20, 139468346), (40, 69734173), (97, 28756360), (194, 14378180), (227, 12287960), (388, 7189090), (454, 6143980), (485, 5751272), (776, 3594545), (908, 3071990), (970, 2875636), (1135, 2457592), (1816, 1535995), (1940, 1437818), (2270, 1228796), (3167, 880760), (3880, 718909), (4540, 614398), (6334, 440380), (9080, 307199), (12668, 220190), (15835, 176152), (22019, 126680), (25336, 110095), (31670, 88076), (44038, 63340)]