123390416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 259031040

約数和(自身を除く): 135640624

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 67, 79, 94, 124, 134, 158, 188, 248, 268, 316, 376, 496, 536, 632, 752, 1072, 1264, 1457, 2077, 2449, 2914, 3149, 3713, 4154, 4898, 5293, 5828, 6298, 7426, 8308, 9796, 10586, 11656, 12596, 14852, 16616, 19592, 21172, 23312, 25192, 29704, 33232, 39184, 42344, 50384, 59408, 84688, 97619, 115103, 164083, 195238, 230206, 248771, 328166, 390476, 460412, 497542, 656332, 780952, 920824, 995084, 1312664, 1561904, 1841648, 1990168, 2625328, 3980336, 7711901, 15423802, 30847604, 61695208, 123390416]

約数ペア:

[(1, 123390416), (2, 61695208), (4, 30847604), (8, 15423802), (16, 7711901), (31, 3980336), (47, 2625328), (62, 1990168), (67, 1841648), (79, 1561904), (94, 1312664), (124, 995084), (134, 920824), (158, 780952), (188, 656332), (248, 497542), (268, 460412), (316, 390476), (376, 328166), (496, 248771), (536, 230206), (632, 195238), (752, 164083), (1072, 115103), (1264, 97619), (1457, 84688), (2077, 59408), (2449, 50384), (2914, 42344), (3149, 39184), (3713, 33232), (4154, 29704), (4898, 25192), (5293, 23312), (5828, 21172), (6298, 19592), (7426, 16616), (8308, 14852), (9796, 12596), (10586, 11656)]