144104342020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{260879}}^1$

素因数の和:261348

約数の個数: 48

約数和(自身を含む): 307671436800

約数和(自身を除く): 163567094780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 389, 710, 778, 1420, 1556, 1945, 3890, 7780, 27619, 55238, 110476, 138095, 260879, 276190, 521758, 552380, 1043516, 1304395, 2608790, 5217580, 18522409, 37044818, 74089636, 92612045, 101481931, 185224090, 202963862, 370448180, 405927724, 507409655, 1014819310, 2029638620, 7205217101, 14410434202, 28820868404, 36026085505, 72052171010, 144104342020]

約数ペア:

[(1, 144104342020), (2, 72052171010), (4, 36026085505), (5, 28820868404), (10, 14410434202), (20, 7205217101), (71, 2029638620), (142, 1014819310), (284, 507409655), (355, 405927724), (389, 370448180), (710, 202963862), (778, 185224090), (1420, 101481931), (1556, 92612045), (1945, 74089636), (3890, 37044818), (7780, 18522409), (27619, 5217580), (55238, 2608790), (110476, 1304395), (138095, 1043516), (260879, 552380), (276190, 521758)]