905382309728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{729601}}^1$

素因数の和:729800

約数の個数: 96

約数和(自身を含む): 2033488326240

約数和(自身を除く): 1128106016512

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 157, 208, 247, 304, 314, 416, 494, 608, 628, 988, 1256, 1976, 2041, 2512, 2983, 3952, 4082, 5024, 5966, 7904, 8164, 11932, 16328, 23864, 32656, 38779, 47728, 65312, 77558, 95456, 155116, 310232, 620464, 729601, 1240928, 1459202, 2918404, 5836808, 9484813, 11673616, 13862419, 18969626, 23347232, 27724838, 37939252, 55449676, 75878504, 110899352, 114547357, 151757008, 180211447, 221798704, 229094714, 303514016, 360422894, 443597408, 458189428, 720845788, 916378856, 1441691576, 1489115641, 1832757712, 2176399783, 2883383152, 2978231282, 3665515424, 4352799566, 5766766304, 5956462564, 8705599132, 11912925128, 17411198264, 23825850256, 28293197179, 34822396528, 47651700512, 56586394358, 69644793056, 113172788716, 226345577432, 452691154864, 905382309728]

約数ペア:

[(1, 905382309728), (2, 452691154864), (4, 226345577432), (8, 113172788716), (13, 69644793056), (16, 56586394358), (19, 47651700512), (26, 34822396528), (32, 28293197179), (38, 23825850256), (52, 17411198264), (76, 11912925128), (104, 8705599132), (152, 5956462564), (157, 5766766304), (208, 4352799566), (247, 3665515424), (304, 2978231282), (314, 2883383152), (416, 2176399783), (494, 1832757712), (608, 1489115641), (628, 1441691576), (988, 916378856), (1256, 720845788), (1976, 458189428), (2041, 443597408), (2512, 360422894), (2983, 303514016), (3952, 229094714), (4082, 221798704), (5024, 180211447), (5966, 151757008), (7904, 114547357), (8164, 110899352), (11932, 75878504), (16328, 55449676), (23864, 37939252), (32656, 27724838), (38779, 23347232), (47728, 18969626), (65312, 13862419), (77558, 11673616), (95456, 9484813), (155116, 5836808), (310232, 2918404), (620464, 1459202), (729601, 1240928)]