20112444100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{991}}^1$

素因数の和:1458

約数の個数: 144

約数和(自身を含む): 50698977280

約数和(自身を除く): 30586533180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 367, 395, 553, 700, 734, 790, 991, 1106, 1468, 1580, 1835, 1975, 1982, 2212, 2569, 2765, 3670, 3950, 3964, 4955, 5138, 5530, 6937, 7340, 7900, 9175, 9910, 10276, 11060, 12845, 13825, 13874, 18350, 19820, 24775, 25690, 27650, 27748, 28993, 34685, 36700, 49550, 51380, 55300, 57986, 64225, 69370, 78289, 99100, 115972, 128450, 138740, 144965, 156578, 173425, 202951, 256900, 289930, 313156, 346850, 363697, 391445, 405902, 548023, 579860, 693700, 724825, 727394, 782890, 811804, 1014755, 1096046, 1449650, 1454788, 1565780, 1818485, 1957225, 2029510, 2192092, 2545879, 2740115, 2899300, 3636970, 3914450, 4059020, 5073775, 5091758, 5480230, 7273940, 7828900, 9092425, 10147550, 10183516, 10960460, 12729395, 13700575, 18184850, 20295100, 25458790, 27401150, 28732063, 36369700, 50917580, 54802300, 57464126, 63646975, 114928252, 127293950, 143660315, 201124441, 254587900, 287320630, 402248882, 574641260, 718301575, 804497764, 1005622205, 1436603150, 2011244410, 2873206300, 4022488820, 5028111025, 10056222050, 20112444100]

約数ペア:

[(1, 20112444100), (2, 10056222050), (4, 5028111025), (5, 4022488820), (7, 2873206300), (10, 2011244410), (14, 1436603150), (20, 1005622205), (25, 804497764), (28, 718301575), (35, 574641260), (50, 402248882), (70, 287320630), (79, 254587900), (100, 201124441), (140, 143660315), (158, 127293950), (175, 114928252), (316, 63646975), (350, 57464126), (367, 54802300), (395, 50917580), (553, 36369700), (700, 28732063), (734, 27401150), (790, 25458790), (991, 20295100), (1106, 18184850), (1468, 13700575), (1580, 12729395), (1835, 10960460), (1975, 10183516), (1982, 10147550), (2212, 9092425), (2569, 7828900), (2765, 7273940), (3670, 5480230), (3950, 5091758), (3964, 5073775), (4955, 4059020), (5138, 3914450), (5530, 3636970), (6937, 2899300), (7340, 2740115), (7900, 2545879), (9175, 2192092), (9910, 2029510), (10276, 1957225), (11060, 1818485), (12845, 1565780), (13825, 1454788), (13874, 1449650), (18350, 1096046), (19820, 1014755), (24775, 811804), (25690, 782890), (27650, 727394), (27748, 724825), (28993, 693700), (34685, 579860), (36700, 548023), (49550, 405902), (51380, 391445), (55300, 363697), (57986, 346850), (64225, 313156), (69370, 289930), (78289, 256900), (99100, 202951), (115972, 173425), (128450, 156578), (138740, 144965)]