1900997908

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 3527193600

約数和(自身を除く): 1626195692

約数列:

[1, 2, 4, 29, 47, 58, 94, 116, 188, 431, 809, 862, 1363, 1618, 1724, 2726, 3236, 5452, 12499, 20257, 23461, 24998, 38023, 40514, 46922, 49996, 76046, 81028, 93844, 152092, 348679, 587453, 697358, 1102667, 1174906, 1394716, 2205334, 2349812, 4410668, 10111691, 16387913, 20223382, 32775826, 40446764, 65551652, 475249477, 950498954, 1900997908]

約数ペア:

[(1, 1900997908), (2, 950498954), (4, 475249477), (29, 65551652), (47, 40446764), (58, 32775826), (94, 20223382), (116, 16387913), (188, 10111691), (431, 4410668), (809, 2349812), (862, 2205334), (1363, 1394716), (1618, 1174906), (1724, 1102667), (2726, 697358), (3236, 587453), (5452, 348679), (12499, 152092), (20257, 93844), (23461, 81028), (24998, 76046), (38023, 49996), (40514, 46922)]