29978900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 75203520

約数和(自身を除く): 45224620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 113, 140, 175, 226, 350, 379, 452, 565, 700, 758, 791, 1130, 1516, 1582, 1895, 2260, 2653, 2825, 3164, 3790, 3955, 5306, 5650, 7580, 7910, 9475, 10612, 11300, 13265, 15820, 18950, 19775, 26530, 37900, 39550, 42827, 53060, 66325, 79100, 85654, 132650, 171308, 214135, 265300, 299789, 428270, 599578, 856540, 1070675, 1199156, 1498945, 2141350, 2997890, 4282700, 5995780, 7494725, 14989450, 29978900]

約数ペア:

[(1, 29978900), (2, 14989450), (4, 7494725), (5, 5995780), (7, 4282700), (10, 2997890), (14, 2141350), (20, 1498945), (25, 1199156), (28, 1070675), (35, 856540), (50, 599578), (70, 428270), (100, 299789), (113, 265300), (140, 214135), (175, 171308), (226, 132650), (350, 85654), (379, 79100), (452, 66325), (565, 53060), (700, 42827), (758, 39550), (791, 37900), (1130, 26530), (1516, 19775), (1582, 18950), (1895, 15820), (2260, 13265), (2653, 11300), (2825, 10612), (3164, 9475), (3790, 7910), (3955, 7580), (5306, 5650)]