31598140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1739

約数の個数: 72

約数和(自身を含む): 81300240

約数和(自身を除く): 49702100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1697, 1862, 2660, 3394, 3724, 4655, 6788, 8485, 9310, 11879, 16970, 18620, 23758, 32243, 33940, 47516, 59395, 64486, 83153, 118790, 128972, 161215, 166306, 225701, 237580, 322430, 332612, 415765, 451402, 644860, 831530, 902804, 1128505, 1579907, 1663060, 2257010, 3159814, 4514020, 6319628, 7899535, 15799070, 31598140]

約数ペア:

[(1, 31598140), (2, 15799070), (4, 7899535), (5, 6319628), (7, 4514020), (10, 3159814), (14, 2257010), (19, 1663060), (20, 1579907), (28, 1128505), (35, 902804), (38, 831530), (49, 644860), (70, 451402), (76, 415765), (95, 332612), (98, 322430), (133, 237580), (140, 225701), (190, 166306), (196, 161215), (245, 128972), (266, 118790), (380, 83153), (490, 64486), (532, 59395), (665, 47516), (931, 33940), (980, 32243), (1330, 23758), (1697, 18620), (1862, 16970), (2660, 11879), (3394, 9310), (3724, 8485), (4655, 6788)]