189778920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{42743}}^1$

素因数の和:42794

約数の個数: 64

約数和(自身を含む): 584737920

約数和(自身を除く): 394959000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 42743, 85486, 128229, 170972, 213715, 256458, 341944, 427430, 512916, 641145, 854860, 1025832, 1282290, 1581491, 1709720, 2564580, 3162982, 4744473, 5129160, 6325964, 7907455, 9488946, 12651928, 15814910, 18977892, 23722365, 31629820, 37955784, 47444730, 63259640, 94889460, 189778920]

約数ペア:

[(1, 189778920), (2, 94889460), (3, 63259640), (4, 47444730), (5, 37955784), (6, 31629820), (8, 23722365), (10, 18977892), (12, 15814910), (15, 12651928), (20, 9488946), (24, 7907455), (30, 6325964), (37, 5129160), (40, 4744473), (60, 3162982), (74, 2564580), (111, 1709720), (120, 1581491), (148, 1282290), (185, 1025832), (222, 854860), (296, 641145), (370, 512916), (444, 427430), (555, 341944), (740, 256458), (888, 213715), (1110, 170972), (1480, 128229), (2220, 85486), (4440, 42743)]