31113940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 82583424

約数和(自身を除く): 51469484

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 43, 44, 46, 52, 55, 65, 86, 92, 110, 115, 121, 130, 143, 172, 215, 220, 230, 242, 253, 260, 286, 299, 430, 460, 473, 484, 506, 559, 572, 598, 605, 715, 860, 946, 989, 1012, 1118, 1196, 1210, 1265, 1430, 1495, 1573, 1892, 1978, 2236, 2365, 2420, 2530, 2783, 2795, 2860, 2990, 3146, 3289, 3956, 4730, 4945, 5060, 5203, 5566, 5590, 5980, 6149, 6292, 6578, 7865, 9460, 9890, 10406, 10879, 11132, 11180, 12298, 12857, 13156, 13915, 15730, 16445, 19780, 20812, 21758, 24596, 25714, 26015, 27830, 30745, 31460, 32890, 36179, 43516, 51428, 52030, 54395, 55660, 61490, 64285, 65780, 67639, 72358, 104060, 108790, 119669, 122980, 128570, 135278, 141427, 144716, 180895, 217580, 239338, 257140, 270556, 282854, 338195, 361790, 478676, 565708, 598345, 676390, 707135, 723580, 1196690, 1352780, 1414270, 1555697, 2393380, 2828540, 3111394, 6222788, 7778485, 15556970, 31113940]

約数ペア:

[(1, 31113940), (2, 15556970), (4, 7778485), (5, 6222788), (10, 3111394), (11, 2828540), (13, 2393380), (20, 1555697), (22, 1414270), (23, 1352780), (26, 1196690), (43, 723580), (44, 707135), (46, 676390), (52, 598345), (55, 565708), (65, 478676), (86, 361790), (92, 338195), (110, 282854), (115, 270556), (121, 257140), (130, 239338), (143, 217580), (172, 180895), (215, 144716), (220, 141427), (230, 135278), (242, 128570), (253, 122980), (260, 119669), (286, 108790), (299, 104060), (430, 72358), (460, 67639), (473, 65780), (484, 64285), (506, 61490), (559, 55660), (572, 54395), (598, 52030), (605, 51428), (715, 43516), (860, 36179), (946, 32890), (989, 31460), (1012, 30745), (1118, 27830), (1196, 26015), (1210, 25714), (1265, 24596), (1430, 21758), (1495, 20812), (1573, 19780), (1892, 16445), (1978, 15730), (2236, 13915), (2365, 13156), (2420, 12857), (2530, 12298), (2783, 11180), (2795, 11132), (2860, 10879), (2990, 10406), (3146, 9890), (3289, 9460), (3956, 7865), (4730, 6578), (4945, 6292), (5060, 6149), (5203, 5980), (5566, 5590)]