688049248900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2137}}^1\times {\mathrm{4673}}^1$

素因数の和:6890

約数の個数: 144

約数和(自身を含む): 1639373604624

約数和(自身を除く): 951324355724

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 1060, 1300, 1325, 1378, 2137, 2650, 2756, 3445, 4274, 4673, 5300, 6890, 8548, 9346, 10685, 13780, 17225, 18692, 21370, 23365, 27781, 34450, 42740, 46730, 53425, 55562, 60749, 68900, 93460, 106850, 111124, 113261, 116825, 121498, 138905, 213700, 226522, 233650, 242996, 247669, 277810, 303745, 453044, 467300, 495338, 555620, 566305, 607490, 694525, 990676, 1132610, 1214980, 1238345, 1389050, 1472393, 1518725, 2265220, 2476690, 2778100, 2831525, 2944786, 3037450, 3219697, 4953380, 5663050, 5889572, 6074900, 6191725, 6439394, 7361965, 9986201, 11326100, 12383450, 12878788, 14723930, 16098485, 19972402, 24766900, 29447860, 32196970, 36809825, 39944804, 49931005, 64393940, 73619650, 80492425, 99862010, 129820613, 147239300, 160984850, 199724020, 249655025, 259641226, 321969700, 499310050, 519282452, 529268653, 649103065, 998620100, 1058537306, 1298206130, 2117074612, 2596412260, 2646343265, 3245515325, 5292686530, 6491030650, 6880492489, 10585373060, 12982061300, 13231716325, 13760984978, 26463432650, 27521969956, 34402462445, 52926865300, 68804924890, 137609849780, 172012312225, 344024624450, 688049248900]

約数ペア:

[(1, 688049248900), (2, 344024624450), (4, 172012312225), (5, 137609849780), (10, 68804924890), (13, 52926865300), (20, 34402462445), (25, 27521969956), (26, 26463432650), (50, 13760984978), (52, 13231716325), (53, 12982061300), (65, 10585373060), (100, 6880492489), (106, 6491030650), (130, 5292686530), (212, 3245515325), (260, 2646343265), (265, 2596412260), (325, 2117074612), (530, 1298206130), (650, 1058537306), (689, 998620100), (1060, 649103065), (1300, 529268653), (1325, 519282452), (1378, 499310050), (2137, 321969700), (2650, 259641226), (2756, 249655025), (3445, 199724020), (4274, 160984850), (4673, 147239300), (5300, 129820613), (6890, 99862010), (8548, 80492425), (9346, 73619650), (10685, 64393940), (13780, 49931005), (17225, 39944804), (18692, 36809825), (21370, 32196970), (23365, 29447860), (27781, 24766900), (34450, 19972402), (42740, 16098485), (46730, 14723930), (53425, 12878788), (55562, 12383450), (60749, 11326100), (68900, 9986201), (93460, 7361965), (106850, 6439394), (111124, 6191725), (113261, 6074900), (116825, 5889572), (121498, 5663050), (138905, 4953380), (213700, 3219697), (226522, 3037450), (233650, 2944786), (242996, 2831525), (247669, 2778100), (277810, 2476690), (303745, 2265220), (453044, 1518725), (467300, 1472393), (495338, 1389050), (555620, 1238345), (566305, 1214980), (607490, 1132610), (694525, 990676)]