138847240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6277}}^1$

素因数の和:6374

約数の個数: 64

約数和(自身を含む): 361612800

約数和(自身を除く): 222765560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 6277, 11060, 12554, 22120, 25108, 31385, 43939, 50216, 62770, 87878, 125540, 175756, 219695, 251080, 351512, 439390, 495883, 878780, 991766, 1757560, 1983532, 2479415, 3471181, 3967064, 4958830, 6942362, 9917660, 13884724, 17355905, 19835320, 27769448, 34711810, 69423620, 138847240]

約数ペア:

[(1, 138847240), (2, 69423620), (4, 34711810), (5, 27769448), (7, 19835320), (8, 17355905), (10, 13884724), (14, 9917660), (20, 6942362), (28, 4958830), (35, 3967064), (40, 3471181), (56, 2479415), (70, 1983532), (79, 1757560), (140, 991766), (158, 878780), (280, 495883), (316, 439390), (395, 351512), (553, 251080), (632, 219695), (790, 175756), (1106, 125540), (1580, 87878), (2212, 62770), (2765, 50216), (3160, 43939), (4424, 31385), (5530, 25108), (6277, 22120), (11060, 12554)]