77771950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 150700176

約数和(自身を除く): 72928226

約数列:

[1, 2, 5, 10, 25, 43, 50, 61, 86, 122, 215, 305, 430, 593, 610, 1075, 1186, 1525, 2150, 2623, 2965, 3050, 5246, 5930, 13115, 14825, 25499, 26230, 29650, 36173, 50998, 65575, 72346, 127495, 131150, 180865, 254990, 361730, 637475, 904325, 1274950, 1555439, 1808650, 3110878, 7777195, 15554390, 38885975, 77771950]

約数ペア:

[(1, 77771950), (2, 38885975), (5, 15554390), (10, 7777195), (25, 3110878), (43, 1808650), (50, 1555439), (61, 1274950), (86, 904325), (122, 637475), (215, 361730), (305, 254990), (430, 180865), (593, 131150), (610, 127495), (1075, 72346), (1186, 65575), (1525, 50998), (2150, 36173), (2623, 29650), (2965, 26230), (3050, 25499), (5246, 14825), (5930, 13115)]