254649390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{773}}^1$

素因数の和:1001

約数の個数: 64

約数和(自身を含む): 624153600

約数和(自身を除く): 369504210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 139, 158, 237, 278, 395, 417, 474, 695, 773, 790, 834, 1185, 1390, 1546, 2085, 2319, 2370, 3865, 4170, 4638, 7730, 10981, 11595, 21962, 23190, 32943, 54905, 61067, 65886, 107447, 109810, 122134, 164715, 183201, 214894, 305335, 322341, 329430, 366402, 537235, 610670, 644682, 916005, 1074470, 1611705, 1832010, 3223410, 8488313, 16976626, 25464939, 42441565, 50929878, 84883130, 127324695, 254649390]

約数ペア:

[(1, 254649390), (2, 127324695), (3, 84883130), (5, 50929878), (6, 42441565), (10, 25464939), (15, 16976626), (30, 8488313), (79, 3223410), (139, 1832010), (158, 1611705), (237, 1074470), (278, 916005), (395, 644682), (417, 610670), (474, 537235), (695, 366402), (773, 329430), (790, 322341), (834, 305335), (1185, 214894), (1390, 183201), (1546, 164715), (2085, 122134), (2319, 109810), (2370, 107447), (3865, 65886), (4170, 61067), (4638, 54905), (7730, 32943), (10981, 23190), (11595, 21962)]