25309140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^2$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 75099360

約数和(自身を除く): 49790220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 149, 190, 228, 285, 298, 380, 447, 570, 596, 745, 894, 1140, 1490, 1788, 2235, 2831, 2980, 4470, 5662, 8493, 8940, 11324, 14155, 16986, 22201, 28310, 33972, 42465, 44402, 56620, 66603, 84930, 88804, 111005, 133206, 169860, 222010, 266412, 333015, 421819, 444020, 666030, 843638, 1265457, 1332060, 1687276, 2109095, 2530914, 4218190, 5061828, 6327285, 8436380, 12654570, 25309140]

約数ペア:

[(1, 25309140), (2, 12654570), (3, 8436380), (4, 6327285), (5, 5061828), (6, 4218190), (10, 2530914), (12, 2109095), (15, 1687276), (19, 1332060), (20, 1265457), (30, 843638), (38, 666030), (57, 444020), (60, 421819), (76, 333015), (95, 266412), (114, 222010), (149, 169860), (190, 133206), (228, 111005), (285, 88804), (298, 84930), (380, 66603), (447, 56620), (570, 44402), (596, 42465), (745, 33972), (894, 28310), (1140, 22201), (1490, 16986), (1788, 14155), (2235, 11324), (2831, 8940), (2980, 8493), (4470, 5662)]