204465040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 528950520

約数和(自身を除く): 324485480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 89, 94, 104, 130, 178, 188, 208, 235, 260, 356, 376, 445, 470, 520, 611, 712, 752, 890, 940, 1040, 1157, 1222, 1424, 1780, 1880, 2209, 2314, 2444, 3055, 3560, 3760, 4183, 4418, 4628, 4888, 5785, 6110, 7120, 8366, 8836, 9256, 9776, 11045, 11570, 12220, 16732, 17672, 18512, 20915, 22090, 23140, 24440, 28717, 33464, 35344, 41830, 44180, 46280, 48880, 54379, 57434, 66928, 83660, 88360, 92560, 108758, 114868, 143585, 167320, 176720, 196601, 217516, 229736, 271895, 287170, 334640, 393202, 435032, 459472, 543790, 574340, 786404, 870064, 983005, 1087580, 1148680, 1572808, 1966010, 2175160, 2297360, 2555813, 3145616, 3932020, 4350320, 5111626, 7864040, 10223252, 12779065, 15728080, 20446504, 25558130, 40893008, 51116260, 102232520, 204465040]

約数ペア:

[(1, 204465040), (2, 102232520), (4, 51116260), (5, 40893008), (8, 25558130), (10, 20446504), (13, 15728080), (16, 12779065), (20, 10223252), (26, 7864040), (40, 5111626), (47, 4350320), (52, 3932020), (65, 3145616), (80, 2555813), (89, 2297360), (94, 2175160), (104, 1966010), (130, 1572808), (178, 1148680), (188, 1087580), (208, 983005), (235, 870064), (260, 786404), (356, 574340), (376, 543790), (445, 459472), (470, 435032), (520, 393202), (611, 334640), (712, 287170), (752, 271895), (890, 229736), (940, 217516), (1040, 196601), (1157, 176720), (1222, 167320), (1424, 143585), (1780, 114868), (1880, 108758), (2209, 92560), (2314, 88360), (2444, 83660), (3055, 66928), (3560, 57434), (3760, 54379), (4183, 48880), (4418, 46280), (4628, 44180), (4888, 41830), (5785, 35344), (6110, 33464), (7120, 28717), (8366, 24440), (8836, 23140), (9256, 22090), (9776, 20915), (11045, 18512), (11570, 17672), (12220, 16732)]