209654900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23039}}^1$

素因数の和:23073

約数の個数: 72

約数和(自身を含む): 559964160

約数和(自身を除く): 350309260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 23039, 46078, 92156, 115195, 161273, 230390, 299507, 322546, 460780, 575975, 599014, 645092, 806365, 1151950, 1198028, 1497535, 1612730, 2096549, 2303900, 2995070, 3225460, 4031825, 4193098, 5990140, 7487675, 8063650, 8386196, 10482745, 14975350, 16127300, 20965490, 29950700, 41930980, 52413725, 104827450, 209654900]

約数ペア:

[(1, 209654900), (2, 104827450), (4, 52413725), (5, 41930980), (7, 29950700), (10, 20965490), (13, 16127300), (14, 14975350), (20, 10482745), (25, 8386196), (26, 8063650), (28, 7487675), (35, 5990140), (50, 4193098), (52, 4031825), (65, 3225460), (70, 2995070), (91, 2303900), (100, 2096549), (130, 1612730), (140, 1497535), (175, 1198028), (182, 1151950), (260, 806365), (325, 645092), (350, 599014), (364, 575975), (455, 460780), (650, 322546), (700, 299507), (910, 230390), (1300, 161273), (1820, 115195), (2275, 92156), (4550, 46078), (9100, 23039)]