2009188864

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1381

約数の個数: 80

約数和(自身を含む): 4187589120

約数和(自身を除く): 2178400256

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 103, 124, 128, 206, 248, 256, 412, 496, 512, 824, 992, 1229, 1648, 1984, 2458, 3193, 3296, 3968, 4916, 6386, 6592, 7936, 9832, 12772, 13184, 15872, 19664, 25544, 26368, 38099, 39328, 51088, 52736, 76198, 78656, 102176, 126587, 152396, 157312, 204352, 253174, 304792, 314624, 408704, 506348, 609584, 629248, 817408, 1012696, 1219168, 1634816, 2025392, 2438336, 3924197, 4050784, 4876672, 7848394, 8101568, 9753344, 15696788, 16203136, 19506688, 31393576, 32406272, 62787152, 64812544, 125574304, 251148608, 502297216, 1004594432, 2009188864]

約数ペア:

[(1, 2009188864), (2, 1004594432), (4, 502297216), (8, 251148608), (16, 125574304), (31, 64812544), (32, 62787152), (62, 32406272), (64, 31393576), (103, 19506688), (124, 16203136), (128, 15696788), (206, 9753344), (248, 8101568), (256, 7848394), (412, 4876672), (496, 4050784), (512, 3924197), (824, 2438336), (992, 2025392), (1229, 1634816), (1648, 1219168), (1984, 1012696), (2458, 817408), (3193, 629248), (3296, 609584), (3968, 506348), (4916, 408704), (6386, 314624), (6592, 304792), (7936, 253174), (9832, 204352), (12772, 157312), (13184, 152396), (15872, 126587), (19664, 102176), (25544, 78656), (26368, 76198), (38099, 52736), (39328, 51088)]