381930190

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{4421}}^1$

素因数の和:4644

約数の個数: 32

約数和(自身を含む): 704902176

約数和(自身を除く): 322971986

約数列:

[1, 2, 5, 10, 53, 106, 163, 265, 326, 530, 815, 1630, 4421, 8639, 8842, 17278, 22105, 43195, 44210, 86390, 234313, 468626, 720623, 1171565, 1441246, 2343130, 3603115, 7206230, 38193019, 76386038, 190965095, 381930190]

約数ペア:

[(1, 381930190), (2, 190965095), (5, 76386038), (10, 38193019), (53, 7206230), (106, 3603115), (163, 2343130), (265, 1441246), (326, 1171565), (530, 720623), (815, 468626), (1630, 234313), (4421, 86390), (8639, 44210), (8842, 43195), (17278, 22105)]