277776580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 637378560

約数和(自身を除く): 359601980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 103, 151, 188, 190, 206, 235, 302, 380, 412, 470, 515, 604, 755, 893, 940, 1030, 1510, 1786, 1957, 2060, 2869, 3020, 3572, 3914, 4465, 4841, 5738, 7097, 7828, 8930, 9682, 9785, 11476, 14194, 14345, 15553, 17860, 19364, 19570, 24205, 28388, 28690, 31106, 35485, 39140, 48410, 57380, 62212, 70970, 77765, 91979, 96820, 134843, 141940, 155530, 183958, 269686, 295507, 311060, 367916, 459895, 539372, 591014, 674215, 730991, 919790, 1182028, 1348430, 1461982, 1477535, 1839580, 2696860, 2923964, 2955070, 3654955, 5910140, 7309910, 13888829, 14619820, 27777658, 55555316, 69444145, 138888290, 277776580]

約数ペア:

[(1, 277776580), (2, 138888290), (4, 69444145), (5, 55555316), (10, 27777658), (19, 14619820), (20, 13888829), (38, 7309910), (47, 5910140), (76, 3654955), (94, 2955070), (95, 2923964), (103, 2696860), (151, 1839580), (188, 1477535), (190, 1461982), (206, 1348430), (235, 1182028), (302, 919790), (380, 730991), (412, 674215), (470, 591014), (515, 539372), (604, 459895), (755, 367916), (893, 311060), (940, 295507), (1030, 269686), (1510, 183958), (1786, 155530), (1957, 141940), (2060, 134843), (2869, 96820), (3020, 91979), (3572, 77765), (3914, 70970), (4465, 62212), (4841, 57380), (5738, 48410), (7097, 39140), (7828, 35485), (8930, 31106), (9682, 28690), (9785, 28388), (11476, 24205), (14194, 19570), (14345, 19364), (15553, 17860)]