2789761000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4049}}^1$

素因数の和:4136

約数の個数: 128

約数和(自身を含む): 7164612000

約数和(自身を除く): 4374851000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 53, 65, 100, 104, 106, 125, 130, 200, 212, 250, 260, 265, 325, 424, 500, 520, 530, 650, 689, 1000, 1060, 1300, 1325, 1378, 1625, 2120, 2600, 2650, 2756, 3250, 3445, 4049, 5300, 5512, 6500, 6625, 6890, 8098, 10600, 13000, 13250, 13780, 16196, 17225, 20245, 26500, 27560, 32392, 34450, 40490, 52637, 53000, 68900, 80980, 86125, 101225, 105274, 137800, 161960, 172250, 202450, 210548, 214597, 263185, 344500, 404900, 421096, 429194, 506125, 526370, 689000, 809800, 858388, 1012250, 1052740, 1072985, 1315925, 1716776, 2024500, 2105480, 2145970, 2631850, 2789761, 4049000, 4291940, 5263700, 5364925, 5579522, 6579625, 8583880, 10527400, 10729850, 11159044, 13159250, 13948805, 21459700, 22318088, 26318500, 26824625, 27897610, 42919400, 52637000, 53649250, 55795220, 69744025, 107298500, 111590440, 139488050, 214597000, 278976100, 348720125, 557952200, 697440250, 1394880500, 2789761000]

約数ペア:

[(1, 2789761000), (2, 1394880500), (4, 697440250), (5, 557952200), (8, 348720125), (10, 278976100), (13, 214597000), (20, 139488050), (25, 111590440), (26, 107298500), (40, 69744025), (50, 55795220), (52, 53649250), (53, 52637000), (65, 42919400), (100, 27897610), (104, 26824625), (106, 26318500), (125, 22318088), (130, 21459700), (200, 13948805), (212, 13159250), (250, 11159044), (260, 10729850), (265, 10527400), (325, 8583880), (424, 6579625), (500, 5579522), (520, 5364925), (530, 5263700), (650, 4291940), (689, 4049000), (1000, 2789761), (1060, 2631850), (1300, 2145970), (1325, 2105480), (1378, 2024500), (1625, 1716776), (2120, 1315925), (2600, 1072985), (2650, 1052740), (2756, 1012250), (3250, 858388), (3445, 809800), (4049, 689000), (5300, 526370), (5512, 506125), (6500, 429194), (6625, 421096), (6890, 404900), (8098, 344500), (10600, 263185), (13000, 214597), (13250, 210548), (13780, 202450), (16196, 172250), (17225, 161960), (20245, 137800), (26500, 105274), (27560, 101225), (32392, 86125), (34450, 80980), (40490, 68900), (52637, 53000)]