99811720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 241882200

約数和(自身を除く): 142070480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 89, 92, 106, 115, 178, 184, 212, 230, 265, 356, 424, 445, 460, 529, 530, 712, 890, 920, 1058, 1060, 1219, 1780, 2047, 2116, 2120, 2438, 2645, 3560, 4094, 4232, 4717, 4876, 5290, 6095, 8188, 9434, 9752, 10235, 10580, 12190, 16376, 18868, 20470, 21160, 23585, 24380, 28037, 37736, 40940, 47081, 47170, 48760, 56074, 81880, 94162, 94340, 108491, 112148, 140185, 188324, 188680, 216982, 224296, 235405, 280370, 376648, 433964, 470810, 542455, 560740, 867928, 941620, 1084910, 1121480, 1883240, 2169820, 2495293, 4339640, 4990586, 9981172, 12476465, 19962344, 24952930, 49905860, 99811720]

約数ペア:

[(1, 99811720), (2, 49905860), (4, 24952930), (5, 19962344), (8, 12476465), (10, 9981172), (20, 4990586), (23, 4339640), (40, 2495293), (46, 2169820), (53, 1883240), (89, 1121480), (92, 1084910), (106, 941620), (115, 867928), (178, 560740), (184, 542455), (212, 470810), (230, 433964), (265, 376648), (356, 280370), (424, 235405), (445, 224296), (460, 216982), (529, 188680), (530, 188324), (712, 140185), (890, 112148), (920, 108491), (1058, 94340), (1060, 94162), (1219, 81880), (1780, 56074), (2047, 48760), (2116, 47170), (2120, 47081), (2438, 40940), (2645, 37736), (3560, 28037), (4094, 24380), (4232, 23585), (4717, 21160), (4876, 20470), (5290, 18868), (6095, 16376), (8188, 12190), (9434, 10580), (9752, 10235)]