1520509900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{12853}}^1$

素因数の和:12900

約数の個数: 108

約数和(自身を含む): 4083561552

約数和(自身を除く): 2563051652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 169, 175, 182, 260, 325, 338, 350, 364, 455, 650, 676, 700, 845, 910, 1183, 1300, 1690, 1820, 2275, 2366, 3380, 4225, 4550, 4732, 5915, 8450, 9100, 11830, 12853, 16900, 23660, 25706, 29575, 51412, 59150, 64265, 89971, 118300, 128530, 167089, 179942, 257060, 321325, 334178, 359884, 449855, 642650, 668356, 835445, 899710, 1169623, 1285300, 1670890, 1799420, 2172157, 2249275, 2339246, 3341780, 4177225, 4344314, 4498550, 4678492, 5848115, 8354450, 8688628, 8997100, 10860785, 11696230, 15205099, 16708900, 21721570, 23392460, 29240575, 30410198, 43443140, 54303925, 58481150, 60820396, 76025495, 108607850, 116962300, 152050990, 217215700, 304101980, 380127475, 760254950, 1520509900]

約数ペア:

[(1, 1520509900), (2, 760254950), (4, 380127475), (5, 304101980), (7, 217215700), (10, 152050990), (13, 116962300), (14, 108607850), (20, 76025495), (25, 60820396), (26, 58481150), (28, 54303925), (35, 43443140), (50, 30410198), (52, 29240575), (65, 23392460), (70, 21721570), (91, 16708900), (100, 15205099), (130, 11696230), (140, 10860785), (169, 8997100), (175, 8688628), (182, 8354450), (260, 5848115), (325, 4678492), (338, 4498550), (350, 4344314), (364, 4177225), (455, 3341780), (650, 2339246), (676, 2249275), (700, 2172157), (845, 1799420), (910, 1670890), (1183, 1285300), (1300, 1169623), (1690, 899710), (1820, 835445), (2275, 668356), (2366, 642650), (3380, 449855), (4225, 359884), (4550, 334178), (4732, 321325), (5915, 257060), (8450, 179942), (9100, 167089), (11830, 128530), (12853, 118300), (16900, 89971), (23660, 64265), (25706, 59150), (29575, 51412)]