306931280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1069}}^1$

素因数の和:1216

約数の個数: 80

約数和(自身を含む): 741150480

約数和(自身を除く): 434219200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 148, 185, 194, 296, 370, 388, 485, 592, 740, 776, 970, 1069, 1480, 1552, 1940, 2138, 2960, 3589, 3880, 4276, 5345, 7178, 7760, 8552, 10690, 14356, 17104, 17945, 21380, 28712, 35890, 39553, 42760, 57424, 71780, 79106, 85520, 103693, 143560, 158212, 197765, 207386, 287120, 316424, 395530, 414772, 518465, 632848, 791060, 829544, 1036930, 1582120, 1659088, 2073860, 3164240, 3836641, 4147720, 7673282, 8295440, 15346564, 19183205, 30693128, 38366410, 61386256, 76732820, 153465640, 306931280]

約数ペア:

[(1, 306931280), (2, 153465640), (4, 76732820), (5, 61386256), (8, 38366410), (10, 30693128), (16, 19183205), (20, 15346564), (37, 8295440), (40, 7673282), (74, 4147720), (80, 3836641), (97, 3164240), (148, 2073860), (185, 1659088), (194, 1582120), (296, 1036930), (370, 829544), (388, 791060), (485, 632848), (592, 518465), (740, 414772), (776, 395530), (970, 316424), (1069, 287120), (1480, 207386), (1552, 197765), (1940, 158212), (2138, 143560), (2960, 103693), (3589, 85520), (3880, 79106), (4276, 71780), (5345, 57424), (7178, 42760), (7760, 39553), (8552, 35890), (10690, 28712), (14356, 21380), (17104, 17945)]