138931770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 354620160

約数和(自身を除く): 215688390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 79, 93, 122, 155, 158, 183, 186, 237, 305, 310, 366, 395, 465, 474, 610, 790, 915, 930, 961, 1185, 1830, 1891, 1922, 2370, 2449, 2883, 3782, 4805, 4819, 4898, 5673, 5766, 7347, 9455, 9610, 9638, 11346, 12245, 14415, 14457, 14694, 18910, 24095, 24490, 28365, 28830, 28914, 36735, 48190, 56730, 58621, 72285, 73470, 75919, 117242, 144570, 149389, 151838, 175863, 227757, 293105, 298778, 351726, 379595, 448167, 455514, 586210, 746945, 759190, 879315, 896334, 1138785, 1493890, 1758630, 2240835, 2277570, 4481670, 4631059, 9262118, 13893177, 23155295, 27786354, 46310590, 69465885, 138931770]

約数ペア:

[(1, 138931770), (2, 69465885), (3, 46310590), (5, 27786354), (6, 23155295), (10, 13893177), (15, 9262118), (30, 4631059), (31, 4481670), (61, 2277570), (62, 2240835), (79, 1758630), (93, 1493890), (122, 1138785), (155, 896334), (158, 879315), (183, 759190), (186, 746945), (237, 586210), (305, 455514), (310, 448167), (366, 379595), (395, 351726), (465, 298778), (474, 293105), (610, 227757), (790, 175863), (915, 151838), (930, 149389), (961, 144570), (1185, 117242), (1830, 75919), (1891, 73470), (1922, 72285), (2370, 58621), (2449, 56730), (2883, 48190), (3782, 36735), (4805, 28914), (4819, 28830), (4898, 28365), (5673, 24490), (5766, 24095), (7347, 18910), (9455, 14694), (9610, 14457), (9638, 14415), (11346, 12245)]