2115212450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{1297}}^1$

素因数の和:1528

約数の個数: 72

約数和(自身を含む): 4285588428

約数和(自身を除く): 2170375978

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 193, 325, 338, 386, 650, 845, 965, 1297, 1690, 1930, 2509, 2594, 4225, 4825, 5018, 6485, 8450, 9650, 12545, 12970, 16861, 25090, 32425, 32617, 33722, 62725, 64850, 65234, 84305, 125450, 163085, 168610, 219193, 250321, 326170, 421525, 438386, 500642, 815425, 843050, 1095965, 1251605, 1630850, 2191930, 2503210, 3254173, 5479825, 6258025, 6508346, 10959650, 12516050, 16270865, 32541730, 42304249, 81354325, 84608498, 162708650, 211521245, 423042490, 1057606225, 2115212450]

約数ペア:

[(1, 2115212450), (2, 1057606225), (5, 423042490), (10, 211521245), (13, 162708650), (25, 84608498), (26, 81354325), (50, 42304249), (65, 32541730), (130, 16270865), (169, 12516050), (193, 10959650), (325, 6508346), (338, 6258025), (386, 5479825), (650, 3254173), (845, 2503210), (965, 2191930), (1297, 1630850), (1690, 1251605), (1930, 1095965), (2509, 843050), (2594, 815425), (4225, 500642), (4825, 438386), (5018, 421525), (6485, 326170), (8450, 250321), (9650, 219193), (12545, 168610), (12970, 163085), (16861, 125450), (25090, 84305), (32425, 65234), (32617, 64850), (33722, 62725)]