189539840

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1511}}^1$

素因数の和:1548

約数の個数: 120

約数和(自身を含む): 528997392

約数和(自身を除く): 339457552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1511, 1568, 1792, 1960, 2240, 2560, 3022, 3136, 3584, 3920, 4480, 6044, 6272, 7555, 7840, 8960, 10577, 12088, 12544, 15110, 15680, 17920, 21154, 24176, 25088, 30220, 31360, 42308, 48352, 52885, 60440, 62720, 74039, 84616, 96704, 105770, 120880, 125440, 148078, 169232, 193408, 211540, 241760, 296156, 338464, 370195, 386816, 423080, 483520, 592312, 676928, 740390, 773632, 846160, 967040, 1184624, 1353856, 1480780, 1692320, 1934080, 2369248, 2707712, 2961560, 3384640, 3868160, 4738496, 5415424, 5923120, 6769280, 9476992, 11846240, 13538560, 18953984, 23692480, 27077120, 37907968, 47384960, 94769920, 189539840]

約数ペア:

[(1, 189539840), (2, 94769920), (4, 47384960), (5, 37907968), (7, 27077120), (8, 23692480), (10, 18953984), (14, 13538560), (16, 11846240), (20, 9476992), (28, 6769280), (32, 5923120), (35, 5415424), (40, 4738496), (49, 3868160), (56, 3384640), (64, 2961560), (70, 2707712), (80, 2369248), (98, 1934080), (112, 1692320), (128, 1480780), (140, 1353856), (160, 1184624), (196, 967040), (224, 846160), (245, 773632), (256, 740390), (280, 676928), (320, 592312), (392, 483520), (448, 423080), (490, 386816), (512, 370195), (560, 338464), (640, 296156), (784, 241760), (896, 211540), (980, 193408), (1120, 169232), (1280, 148078), (1511, 125440), (1568, 120880), (1792, 105770), (1960, 96704), (2240, 84616), (2560, 74039), (3022, 62720), (3136, 60440), (3584, 52885), (3920, 48352), (4480, 42308), (6044, 31360), (6272, 30220), (7555, 25088), (7840, 24176), (8960, 21154), (10577, 17920), (12088, 15680), (12544, 15110)]