144412580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7823}}^1$

素因数の和:7916

約数の個数: 48

約数和(自身を含む): 331236864

約数和(自身を除く): 186824284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 7823, 9230, 15646, 18460, 31292, 39115, 78230, 101699, 156460, 203398, 406796, 508495, 555433, 1016990, 1110866, 2033980, 2221732, 2777165, 5554330, 7220629, 11108660, 14441258, 28882516, 36103145, 72206290, 144412580]

約数ペア:

[(1, 144412580), (2, 72206290), (4, 36103145), (5, 28882516), (10, 14441258), (13, 11108660), (20, 7220629), (26, 5554330), (52, 2777165), (65, 2221732), (71, 2033980), (130, 1110866), (142, 1016990), (260, 555433), (284, 508495), (355, 406796), (710, 203398), (923, 156460), (1420, 101699), (1846, 78230), (3692, 39115), (4615, 31292), (7823, 18460), (9230, 15646)]