201229700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{739}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 501009600

約数和(自身を除く): 299779900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 389, 700, 739, 778, 1478, 1556, 1945, 2723, 2956, 3695, 3890, 5173, 5446, 7390, 7780, 9725, 10346, 10892, 13615, 14780, 18475, 19450, 20692, 25865, 27230, 36950, 38900, 51730, 54460, 68075, 73900, 103460, 129325, 136150, 258650, 272300, 287471, 517300, 574942, 1149884, 1437355, 2012297, 2874710, 4024594, 5749420, 7186775, 8049188, 10061485, 14373550, 20122970, 28747100, 40245940, 50307425, 100614850, 201229700]

約数ペア:

[(1, 201229700), (2, 100614850), (4, 50307425), (5, 40245940), (7, 28747100), (10, 20122970), (14, 14373550), (20, 10061485), (25, 8049188), (28, 7186775), (35, 5749420), (50, 4024594), (70, 2874710), (100, 2012297), (140, 1437355), (175, 1149884), (350, 574942), (389, 517300), (700, 287471), (739, 272300), (778, 258650), (1478, 136150), (1556, 129325), (1945, 103460), (2723, 73900), (2956, 68075), (3695, 54460), (3890, 51730), (5173, 38900), (5446, 36950), (7390, 27230), (7780, 25865), (9725, 20692), (10346, 19450), (10892, 18475), (13615, 14780)]