1636698980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1151}}^1\times {\mathrm{1451}}^1$

素因数の和:2625

約数の個数: 72

約数和(自身を含む): 4004453376

約数和(自身を除く): 2367754396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1151, 1451, 2302, 2902, 4604, 5755, 5804, 7255, 8057, 10157, 11510, 14510, 16114, 20314, 23020, 29020, 32228, 40285, 40628, 50785, 56399, 71099, 80570, 101570, 112798, 142198, 161140, 203140, 225596, 281995, 284396, 355495, 563990, 710990, 1127980, 1421980, 1670101, 3340202, 6680404, 8350505, 11690707, 16701010, 23381414, 33402020, 46762828, 58453535, 81834949, 116907070, 163669898, 233814140, 327339796, 409174745, 818349490, 1636698980]

約数ペア:

[(1, 1636698980), (2, 818349490), (4, 409174745), (5, 327339796), (7, 233814140), (10, 163669898), (14, 116907070), (20, 81834949), (28, 58453535), (35, 46762828), (49, 33402020), (70, 23381414), (98, 16701010), (140, 11690707), (196, 8350505), (245, 6680404), (490, 3340202), (980, 1670101), (1151, 1421980), (1451, 1127980), (2302, 710990), (2902, 563990), (4604, 355495), (5755, 284396), (5804, 281995), (7255, 225596), (8057, 203140), (10157, 161140), (11510, 142198), (14510, 112798), (16114, 101570), (20314, 80570), (23020, 71099), (29020, 56399), (32228, 50785), (40285, 40628)]