285399220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{1123}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 610682688

約数和(自身を除く): 325283468

約数列:

[1, 2, 4, 5, 10, 20, 97, 131, 194, 262, 388, 485, 524, 655, 970, 1123, 1310, 1940, 2246, 2620, 4492, 5615, 11230, 12707, 22460, 25414, 50828, 63535, 108931, 127070, 147113, 217862, 254140, 294226, 435724, 544655, 588452, 735565, 1089310, 1471130, 2178620, 2942260, 14269961, 28539922, 57079844, 71349805, 142699610, 285399220]

約数ペア:

[(1, 285399220), (2, 142699610), (4, 71349805), (5, 57079844), (10, 28539922), (20, 14269961), (97, 2942260), (131, 2178620), (194, 1471130), (262, 1089310), (388, 735565), (485, 588452), (524, 544655), (655, 435724), (970, 294226), (1123, 254140), (1310, 217862), (1940, 147113), (2246, 127070), (2620, 108931), (4492, 63535), (5615, 50828), (11230, 25414), (12707, 22460)]