1979450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 4151520

約数和(自身を除く): 2172070

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 61, 110, 118, 122, 275, 295, 305, 550, 590, 610, 649, 671, 1298, 1342, 1475, 1525, 2950, 3050, 3245, 3355, 3599, 6490, 6710, 7198, 16225, 16775, 17995, 32450, 33550, 35990, 39589, 79178, 89975, 179950, 197945, 395890, 989725, 1979450]

約数ペア:

[(1, 1979450), (2, 989725), (5, 395890), (10, 197945), (11, 179950), (22, 89975), (25, 79178), (50, 39589), (55, 35990), (59, 33550), (61, 32450), (110, 17995), (118, 16775), (122, 16225), (275, 7198), (295, 6710), (305, 6490), (550, 3599), (590, 3355), (610, 3245), (649, 3050), (671, 2950), (1298, 1525), (1342, 1475)]