259702947860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{359}}^2\times {\mathrm{1901}}^1$

素因数の和:2681

約数の個数: 72

約数和(自身を含む): 557511554376

約数和(自身を除く): 297808606516

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 359, 530, 718, 1060, 1436, 1795, 1901, 3590, 3802, 7180, 7604, 9505, 19010, 19027, 38020, 38054, 76108, 95135, 100753, 128881, 190270, 201506, 257762, 380540, 403012, 503765, 515524, 644405, 682459, 1007530, 1288810, 1364918, 2015060, 2577620, 2729836, 3412295, 6824590, 6830693, 13649180, 13661386, 27322772, 34153465, 36170327, 68306930, 72340654, 136613860, 144681308, 180851635, 245002781, 361703270, 490005562, 723406540, 980011124, 1225013905, 2450027810, 4900055620, 12985147393, 25970294786, 51940589572, 64925736965, 129851473930, 259702947860]

約数ペア:

[(1, 259702947860), (2, 129851473930), (4, 64925736965), (5, 51940589572), (10, 25970294786), (20, 12985147393), (53, 4900055620), (106, 2450027810), (212, 1225013905), (265, 980011124), (359, 723406540), (530, 490005562), (718, 361703270), (1060, 245002781), (1436, 180851635), (1795, 144681308), (1901, 136613860), (3590, 72340654), (3802, 68306930), (7180, 36170327), (7604, 34153465), (9505, 27322772), (19010, 13661386), (19027, 13649180), (38020, 6830693), (38054, 6824590), (76108, 3412295), (95135, 2729836), (100753, 2577620), (128881, 2015060), (190270, 1364918), (201506, 1288810), (257762, 1007530), (380540, 682459), (403012, 644405), (503765, 515524)]