858705270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 2207969280

約数和(自身を除く): 1349264010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 109, 129, 155, 186, 197, 215, 218, 258, 310, 327, 394, 430, 465, 545, 591, 645, 654, 930, 985, 1090, 1182, 1290, 1333, 1635, 1970, 2666, 2955, 3270, 3379, 3999, 4687, 5910, 6107, 6665, 6758, 7998, 8471, 9374, 10137, 12214, 13330, 14061, 16895, 16942, 18321, 19995, 20274, 21473, 23435, 25413, 28122, 30535, 33790, 36642, 39990, 42355, 42946, 46870, 50685, 50826, 61070, 64419, 70305, 84710, 91605, 101370, 107365, 127065, 128838, 140610, 145297, 183210, 214730, 254130, 262601, 290594, 322095, 435891, 525202, 644190, 665663, 726485, 787803, 871782, 923339, 1313005, 1331326, 1452970, 1575606, 1846678, 1996989, 2179455, 2626010, 2770017, 3328315, 3939015, 3993978, 4358910, 4616695, 5540034, 6656630, 7878030, 9233390, 9984945, 13850085, 19969890, 27700170, 28623509, 57247018, 85870527, 143117545, 171741054, 286235090, 429352635, 858705270]

約数ペア:

[(1, 858705270), (2, 429352635), (3, 286235090), (5, 171741054), (6, 143117545), (10, 85870527), (15, 57247018), (30, 28623509), (31, 27700170), (43, 19969890), (62, 13850085), (86, 9984945), (93, 9233390), (109, 7878030), (129, 6656630), (155, 5540034), (186, 4616695), (197, 4358910), (215, 3993978), (218, 3939015), (258, 3328315), (310, 2770017), (327, 2626010), (394, 2179455), (430, 1996989), (465, 1846678), (545, 1575606), (591, 1452970), (645, 1331326), (654, 1313005), (930, 923339), (985, 871782), (1090, 787803), (1182, 726485), (1290, 665663), (1333, 644190), (1635, 525202), (1970, 435891), (2666, 322095), (2955, 290594), (3270, 262601), (3379, 254130), (3999, 214730), (4687, 183210), (5910, 145297), (6107, 140610), (6665, 128838), (6758, 127065), (7998, 107365), (8471, 101370), (9374, 91605), (10137, 84710), (12214, 70305), (13330, 64419), (14061, 61070), (16895, 50826), (16942, 50685), (18321, 46870), (19995, 42946), (20274, 42355), (21473, 39990), (23435, 36642), (25413, 33790), (28122, 30535)]