1210866970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 2329067520

約数和(自身を除く): 1118200550

約数列:

[1, 2, 5, 10, 23, 46, 79, 103, 115, 158, 206, 230, 395, 515, 647, 790, 1030, 1294, 1817, 2369, 3235, 3634, 4738, 6470, 8137, 9085, 11845, 14881, 16274, 18170, 23690, 29762, 40685, 51113, 66641, 74405, 81370, 102226, 133282, 148810, 187151, 255565, 333205, 374302, 511130, 666410, 935755, 1175599, 1532743, 1871510, 2351198, 3065486, 5264639, 5877995, 7663715, 10529278, 11755990, 15327430, 26323195, 52646390, 121086697, 242173394, 605433485, 1210866970]

約数ペア:

[(1, 1210866970), (2, 605433485), (5, 242173394), (10, 121086697), (23, 52646390), (46, 26323195), (79, 15327430), (103, 11755990), (115, 10529278), (158, 7663715), (206, 5877995), (230, 5264639), (395, 3065486), (515, 2351198), (647, 1871510), (790, 1532743), (1030, 1175599), (1294, 935755), (1817, 666410), (2369, 511130), (3235, 374302), (3634, 333205), (4738, 255565), (6470, 187151), (8137, 148810), (9085, 133282), (11845, 102226), (14881, 81370), (16274, 74405), (18170, 66641), (23690, 51113), (29762, 40685)]