317527420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3251

約数の個数: 96

約数和(自身を含む): 821108736

約数和(自身を除く): 503581316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1610, 2170, 2852, 3181, 3220, 3565, 4340, 4991, 6362, 7130, 9982, 12724, 14260, 15905, 19964, 22267, 24955, 31810, 44534, 49910, 63620, 73163, 89068, 98611, 99820, 111335, 146326, 197222, 222670, 292652, 365815, 394444, 445340, 493055, 512141, 690277, 731630, 986110, 1024282, 1380554, 1463260, 1972220, 2048564, 2268053, 2560705, 2761108, 3451385, 4536106, 5121410, 6902770, 9072212, 10242820, 11340265, 13805540, 15876371, 22680530, 31752742, 45361060, 63505484, 79381855, 158763710, 317527420]

約数ペア:

[(1, 317527420), (2, 158763710), (4, 79381855), (5, 63505484), (7, 45361060), (10, 31752742), (14, 22680530), (20, 15876371), (23, 13805540), (28, 11340265), (31, 10242820), (35, 9072212), (46, 6902770), (62, 5121410), (70, 4536106), (92, 3451385), (115, 2761108), (124, 2560705), (140, 2268053), (155, 2048564), (161, 1972220), (217, 1463260), (230, 1380554), (310, 1024282), (322, 986110), (434, 731630), (460, 690277), (620, 512141), (644, 493055), (713, 445340), (805, 394444), (868, 365815), (1085, 292652), (1426, 222670), (1610, 197222), (2170, 146326), (2852, 111335), (3181, 99820), (3220, 98611), (3565, 89068), (4340, 73163), (4991, 63620), (6362, 49910), (7130, 44534), (9982, 31810), (12724, 24955), (14260, 22267), (15905, 19964)]