248040390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{983}}^1$

素因数の和:1653

約数の個数: 64

約数和(自身を含む): 642733056

約数和(自身を除く): 394692666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 647, 983, 1294, 1941, 1966, 2949, 3235, 3882, 4915, 5898, 6470, 8411, 9705, 9830, 12779, 14745, 16822, 19410, 25233, 25558, 29490, 38337, 42055, 50466, 63895, 76674, 84110, 126165, 127790, 191685, 252330, 383370, 636001, 1272002, 1908003, 3180005, 3816006, 6360010, 8268013, 9540015, 16536026, 19080030, 24804039, 41340065, 49608078, 82680130, 124020195, 248040390]

約数ペア:

[(1, 248040390), (2, 124020195), (3, 82680130), (5, 49608078), (6, 41340065), (10, 24804039), (13, 19080030), (15, 16536026), (26, 9540015), (30, 8268013), (39, 6360010), (65, 3816006), (78, 3180005), (130, 1908003), (195, 1272002), (390, 636001), (647, 383370), (983, 252330), (1294, 191685), (1941, 127790), (1966, 126165), (2949, 84110), (3235, 76674), (3882, 63895), (4915, 50466), (5898, 42055), (6470, 38337), (8411, 29490), (9705, 25558), (9830, 25233), (12779, 19410), (14745, 16822)]