201358880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 507714480

約数和(自身を除く): 306355600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 181, 272, 340, 362, 409, 544, 680, 724, 818, 905, 1360, 1448, 1636, 1810, 2045, 2720, 2896, 3077, 3272, 3620, 4090, 5792, 6154, 6544, 6953, 7240, 8180, 12308, 13088, 13906, 14480, 15385, 16360, 24616, 27812, 28960, 30770, 32720, 34765, 49232, 55624, 61540, 65440, 69530, 74029, 98464, 111248, 123080, 139060, 148058, 222496, 246160, 278120, 296116, 370145, 492320, 556240, 592232, 740290, 1112480, 1184464, 1258493, 1480580, 2368928, 2516986, 2961160, 5033972, 5922320, 6292465, 10067944, 11844640, 12584930, 20135888, 25169860, 40271776, 50339720, 100679440, 201358880]

約数ペア:

[(1, 201358880), (2, 100679440), (4, 50339720), (5, 40271776), (8, 25169860), (10, 20135888), (16, 12584930), (17, 11844640), (20, 10067944), (32, 6292465), (34, 5922320), (40, 5033972), (68, 2961160), (80, 2516986), (85, 2368928), (136, 1480580), (160, 1258493), (170, 1184464), (181, 1112480), (272, 740290), (340, 592232), (362, 556240), (409, 492320), (544, 370145), (680, 296116), (724, 278120), (818, 246160), (905, 222496), (1360, 148058), (1448, 139060), (1636, 123080), (1810, 111248), (2045, 98464), (2720, 74029), (2896, 69530), (3077, 65440), (3272, 61540), (3620, 55624), (4090, 49232), (5792, 34765), (6154, 32720), (6544, 30770), (6953, 28960), (7240, 27812), (8180, 24616), (12308, 16360), (13088, 15385), (13906, 14480)]