28179830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{761}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 60679584

約数和(自身を除く): 32499754

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 529, 761, 805, 1058, 1522, 1610, 2645, 3703, 3805, 5290, 5327, 7406, 7610, 10654, 17503, 18515, 26635, 35006, 37030, 53270, 87515, 122521, 175030, 245042, 402569, 612605, 805138, 1225210, 2012845, 2817983, 4025690, 5635966, 14089915, 28179830]

約数ペア:

[(1, 28179830), (2, 14089915), (5, 5635966), (7, 4025690), (10, 2817983), (14, 2012845), (23, 1225210), (35, 805138), (46, 612605), (70, 402569), (115, 245042), (161, 175030), (230, 122521), (322, 87515), (529, 53270), (761, 37030), (805, 35006), (1058, 26635), (1522, 18515), (1610, 17503), (2645, 10654), (3703, 7610), (3805, 7406), (5290, 5327)]