11820280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 28454400

約数和(自身を除く): 16634120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 151, 152, 190, 206, 302, 380, 412, 515, 604, 755, 760, 824, 1030, 1208, 1510, 1957, 2060, 2869, 3020, 3914, 4120, 5738, 6040, 7828, 9785, 11476, 14345, 15553, 15656, 19570, 22952, 28690, 31106, 39140, 57380, 62212, 77765, 78280, 114760, 124424, 155530, 295507, 311060, 591014, 622120, 1182028, 1477535, 2364056, 2955070, 5910140, 11820280]

約数ペア:

[(1, 11820280), (2, 5910140), (4, 2955070), (5, 2364056), (8, 1477535), (10, 1182028), (19, 622120), (20, 591014), (38, 311060), (40, 295507), (76, 155530), (95, 124424), (103, 114760), (151, 78280), (152, 77765), (190, 62212), (206, 57380), (302, 39140), (380, 31106), (412, 28690), (515, 22952), (604, 19570), (755, 15656), (760, 15553), (824, 14345), (1030, 11476), (1208, 9785), (1510, 7828), (1957, 6040), (2060, 5738), (2869, 4120), (3020, 3914)]