89770100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 223944000

約数和(自身を除く): 134173900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 257, 350, 499, 514, 700, 998, 1028, 1285, 1799, 1996, 2495, 2570, 3493, 3598, 4990, 5140, 6425, 6986, 7196, 8995, 9980, 12475, 12850, 13972, 17465, 17990, 24950, 25700, 34930, 35980, 44975, 49900, 69860, 87325, 89950, 128243, 174650, 179900, 256486, 349300, 512972, 641215, 897701, 1282430, 1795402, 2564860, 3206075, 3590804, 4488505, 6412150, 8977010, 12824300, 17954020, 22442525, 44885050, 89770100]

約数ペア:

[(1, 89770100), (2, 44885050), (4, 22442525), (5, 17954020), (7, 12824300), (10, 8977010), (14, 6412150), (20, 4488505), (25, 3590804), (28, 3206075), (35, 2564860), (50, 1795402), (70, 1282430), (100, 897701), (140, 641215), (175, 512972), (257, 349300), (350, 256486), (499, 179900), (514, 174650), (700, 128243), (998, 89950), (1028, 87325), (1285, 69860), (1799, 49900), (1996, 44975), (2495, 35980), (2570, 34930), (3493, 25700), (3598, 24950), (4990, 17990), (5140, 17465), (6425, 13972), (6986, 12850), (7196, 12475), (8995, 9980)]