28371750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 81768960

約数和(自身を除く): 53397210

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 25, 30, 33, 38, 50, 55, 57, 66, 75, 95, 110, 114, 125, 150, 165, 181, 190, 209, 250, 275, 285, 330, 362, 375, 418, 475, 543, 550, 570, 627, 750, 825, 905, 950, 1045, 1086, 1254, 1375, 1425, 1650, 1810, 1991, 2090, 2375, 2715, 2750, 2850, 3135, 3439, 3982, 4125, 4525, 4750, 5225, 5430, 5973, 6270, 6878, 7125, 8250, 9050, 9955, 10317, 10450, 11946, 13575, 14250, 15675, 17195, 19910, 20634, 22625, 26125, 27150, 29865, 31350, 34390, 37829, 45250, 49775, 51585, 52250, 59730, 67875, 75658, 78375, 85975, 99550, 103170, 113487, 135750, 149325, 156750, 171950, 189145, 226974, 248875, 257925, 298650, 378290, 429875, 497750, 515850, 567435, 746625, 859750, 945725, 1134870, 1289625, 1493250, 1891450, 2579250, 2837175, 4728625, 5674350, 9457250, 14185875, 28371750]

約数ペア:

[(1, 28371750), (2, 14185875), (3, 9457250), (5, 5674350), (6, 4728625), (10, 2837175), (11, 2579250), (15, 1891450), (19, 1493250), (22, 1289625), (25, 1134870), (30, 945725), (33, 859750), (38, 746625), (50, 567435), (55, 515850), (57, 497750), (66, 429875), (75, 378290), (95, 298650), (110, 257925), (114, 248875), (125, 226974), (150, 189145), (165, 171950), (181, 156750), (190, 149325), (209, 135750), (250, 113487), (275, 103170), (285, 99550), (330, 85975), (362, 78375), (375, 75658), (418, 67875), (475, 59730), (543, 52250), (550, 51585), (570, 49775), (627, 45250), (750, 37829), (825, 34390), (905, 31350), (950, 29865), (1045, 27150), (1086, 26125), (1254, 22625), (1375, 20634), (1425, 19910), (1650, 17195), (1810, 15675), (1991, 14250), (2090, 13575), (2375, 11946), (2715, 10450), (2750, 10317), (2850, 9955), (3135, 9050), (3439, 8250), (3982, 7125), (4125, 6878), (4525, 6270), (4750, 5973), (5225, 5430)]