158788420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 395136000

約数和(自身を除く): 236347580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 293, 316, 343, 395, 490, 553, 586, 686, 790, 980, 1106, 1172, 1372, 1465, 1580, 1715, 2051, 2212, 2765, 2930, 3430, 3871, 4102, 5530, 5860, 6860, 7742, 8204, 10255, 11060, 14357, 15484, 19355, 20510, 23147, 27097, 28714, 38710, 41020, 46294, 54194, 57428, 71785, 77420, 92588, 100499, 108388, 115735, 135485, 143570, 162029, 200998, 231470, 270970, 287140, 324058, 401996, 462940, 502495, 541940, 648116, 810145, 1004990, 1134203, 1620290, 2009980, 2268406, 3240580, 4536812, 5671015, 7939421, 11342030, 15878842, 22684060, 31757684, 39697105, 79394210, 158788420]

約数ペア:

[(1, 158788420), (2, 79394210), (4, 39697105), (5, 31757684), (7, 22684060), (10, 15878842), (14, 11342030), (20, 7939421), (28, 5671015), (35, 4536812), (49, 3240580), (70, 2268406), (79, 2009980), (98, 1620290), (140, 1134203), (158, 1004990), (196, 810145), (245, 648116), (293, 541940), (316, 502495), (343, 462940), (395, 401996), (490, 324058), (553, 287140), (586, 270970), (686, 231470), (790, 200998), (980, 162029), (1106, 143570), (1172, 135485), (1372, 115735), (1465, 108388), (1580, 100499), (1715, 92588), (2051, 77420), (2212, 71785), (2765, 57428), (2930, 54194), (3430, 46294), (3871, 41020), (4102, 38710), (5530, 28714), (5860, 27097), (6860, 23147), (7742, 20510), (8204, 19355), (10255, 15484), (11060, 14357)]