28956950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 65888640

約数和(自身を除く): 36931690

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 25, 34, 38, 50, 55, 85, 95, 110, 163, 170, 187, 190, 209, 275, 323, 326, 374, 418, 425, 475, 550, 646, 815, 850, 935, 950, 1045, 1615, 1630, 1793, 1870, 2090, 2771, 3097, 3230, 3553, 3586, 4075, 4675, 5225, 5542, 6194, 7106, 8075, 8150, 8965, 9350, 10450, 13855, 15485, 16150, 17765, 17930, 27710, 30481, 30970, 34067, 35530, 44825, 52649, 60962, 68134, 69275, 77425, 88825, 89650, 105298, 138550, 152405, 154850, 170335, 177650, 263245, 304810, 340670, 526490, 579139, 762025, 851675, 1158278, 1316225, 1524050, 1703350, 2632450, 2895695, 5791390, 14478475, 28956950]

約数ペア:

[(1, 28956950), (2, 14478475), (5, 5791390), (10, 2895695), (11, 2632450), (17, 1703350), (19, 1524050), (22, 1316225), (25, 1158278), (34, 851675), (38, 762025), (50, 579139), (55, 526490), (85, 340670), (95, 304810), (110, 263245), (163, 177650), (170, 170335), (187, 154850), (190, 152405), (209, 138550), (275, 105298), (323, 89650), (326, 88825), (374, 77425), (418, 69275), (425, 68134), (475, 60962), (550, 52649), (646, 44825), (815, 35530), (850, 34067), (935, 30970), (950, 30481), (1045, 27710), (1615, 17930), (1630, 17765), (1793, 16150), (1870, 15485), (2090, 13855), (2771, 10450), (3097, 9350), (3230, 8965), (3553, 8150), (3586, 8075), (4075, 7106), (4675, 6194), (5225, 5542)]