40306420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3739}}^1$

素因数の和:3773

約数の個数: 72

約数和(自身を含む): 107442720

約数和(自身を除く): 67136300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 3739, 5390, 7478, 10780, 14956, 18695, 26173, 37390, 41129, 52346, 74780, 82258, 104692, 130865, 164516, 183211, 205645, 261730, 287903, 366422, 411290, 523460, 575806, 732844, 822580, 916055, 1151612, 1439515, 1832110, 2015321, 2879030, 3664220, 4030642, 5758060, 8061284, 10076605, 20153210, 40306420]

約数ペア:

[(1, 40306420), (2, 20153210), (4, 10076605), (5, 8061284), (7, 5758060), (10, 4030642), (11, 3664220), (14, 2879030), (20, 2015321), (22, 1832110), (28, 1439515), (35, 1151612), (44, 916055), (49, 822580), (55, 732844), (70, 575806), (77, 523460), (98, 411290), (110, 366422), (140, 287903), (154, 261730), (196, 205645), (220, 183211), (245, 164516), (308, 130865), (385, 104692), (490, 82258), (539, 74780), (770, 52346), (980, 41129), (1078, 37390), (1540, 26173), (2156, 18695), (2695, 14956), (3739, 10780), (5390, 7478)]