398623568

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 901549440

約数和(自身を除く): 502925872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 131, 202, 262, 269, 404, 524, 538, 707, 808, 917, 1048, 1076, 1414, 1616, 1834, 1883, 2096, 2152, 2828, 3668, 3766, 4304, 5656, 7336, 7532, 11312, 13231, 14672, 15064, 26462, 27169, 30128, 35239, 52924, 54338, 70478, 92617, 105848, 108676, 140956, 185234, 190183, 211696, 217352, 246673, 281912, 370468, 380366, 434704, 493346, 563824, 740936, 760732, 986692, 1481872, 1521464, 1973384, 3042928, 3559139, 3946768, 7118278, 14236556, 24913973, 28473112, 49827946, 56946224, 99655892, 199311784, 398623568]

約数ペア:

[(1, 398623568), (2, 199311784), (4, 99655892), (7, 56946224), (8, 49827946), (14, 28473112), (16, 24913973), (28, 14236556), (56, 7118278), (101, 3946768), (112, 3559139), (131, 3042928), (202, 1973384), (262, 1521464), (269, 1481872), (404, 986692), (524, 760732), (538, 740936), (707, 563824), (808, 493346), (917, 434704), (1048, 380366), (1076, 370468), (1414, 281912), (1616, 246673), (1834, 217352), (1883, 211696), (2096, 190183), (2152, 185234), (2828, 140956), (3668, 108676), (3766, 105848), (4304, 92617), (5656, 70478), (7336, 54338), (7532, 52924), (11312, 35239), (13231, 30128), (14672, 27169), (15064, 26462)]