291293240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 766422000

約数和(自身を除く): 475128760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 331, 392, 449, 490, 662, 898, 980, 1324, 1655, 1796, 1960, 2245, 2317, 2648, 3143, 3310, 3592, 4490, 4634, 6286, 6620, 8980, 9268, 11585, 12572, 13240, 15715, 16219, 17960, 18536, 22001, 23170, 25144, 31430, 32438, 44002, 46340, 62860, 64876, 81095, 88004, 92680, 110005, 125720, 129752, 148619, 162190, 176008, 220010, 297238, 324380, 440020, 594476, 648760, 743095, 880040, 1040333, 1188952, 1486190, 2080666, 2972380, 4161332, 5201665, 5944760, 7282331, 8322664, 10403330, 14564662, 20806660, 29129324, 36411655, 41613320, 58258648, 72823310, 145646620, 291293240]

約数ペア:

[(1, 291293240), (2, 145646620), (4, 72823310), (5, 58258648), (7, 41613320), (8, 36411655), (10, 29129324), (14, 20806660), (20, 14564662), (28, 10403330), (35, 8322664), (40, 7282331), (49, 5944760), (56, 5201665), (70, 4161332), (98, 2972380), (140, 2080666), (196, 1486190), (245, 1188952), (280, 1040333), (331, 880040), (392, 743095), (449, 648760), (490, 594476), (662, 440020), (898, 324380), (980, 297238), (1324, 220010), (1655, 176008), (1796, 162190), (1960, 148619), (2245, 129752), (2317, 125720), (2648, 110005), (3143, 92680), (3310, 88004), (3592, 81095), (4490, 64876), (4634, 62860), (6286, 46340), (6620, 44002), (8980, 32438), (9268, 31430), (11585, 25144), (12572, 23170), (13240, 22001), (15715, 18536), (16219, 17960)]