28637560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:813

約数の個数: 96

約数和(自身を含む): 79002000

約数和(自身を除く): 50364440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 769, 931, 980, 1064, 1330, 1538, 1862, 1960, 2660, 3076, 3724, 3845, 4655, 5320, 5383, 6152, 7448, 7690, 9310, 10766, 14611, 15380, 18620, 21532, 26915, 29222, 30760, 37240, 37681, 43064, 53830, 58444, 73055, 75362, 102277, 107660, 116888, 146110, 150724, 188405, 204554, 215320, 292220, 301448, 376810, 409108, 511385, 584440, 715939, 753620, 818216, 1022770, 1431878, 1507240, 2045540, 2863756, 3579695, 4091080, 5727512, 7159390, 14318780, 28637560]

約数ペア:

[(1, 28637560), (2, 14318780), (4, 7159390), (5, 5727512), (7, 4091080), (8, 3579695), (10, 2863756), (14, 2045540), (19, 1507240), (20, 1431878), (28, 1022770), (35, 818216), (38, 753620), (40, 715939), (49, 584440), (56, 511385), (70, 409108), (76, 376810), (95, 301448), (98, 292220), (133, 215320), (140, 204554), (152, 188405), (190, 150724), (196, 146110), (245, 116888), (266, 107660), (280, 102277), (380, 75362), (392, 73055), (490, 58444), (532, 53830), (665, 43064), (760, 37681), (769, 37240), (931, 30760), (980, 29222), (1064, 26915), (1330, 21532), (1538, 18620), (1862, 15380), (1960, 14611), (2660, 10766), (3076, 9310), (3724, 7690), (3845, 7448), (4655, 6152), (5320, 5383)]