308489928

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 849408000

約数和(自身を除く): 540918072

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 139, 152, 157, 186, 228, 248, 278, 314, 372, 417, 456, 471, 556, 589, 628, 744, 834, 942, 1112, 1178, 1256, 1668, 1767, 1884, 2356, 2641, 2983, 3336, 3534, 3768, 4309, 4712, 4867, 5282, 5966, 7068, 7923, 8618, 8949, 9734, 10564, 11932, 12927, 14136, 14601, 15846, 17236, 17898, 19468, 21128, 21823, 23864, 25854, 29202, 31692, 34472, 35796, 38936, 43646, 51708, 58404, 63384, 65469, 71592, 81871, 87292, 92473, 103416, 116808, 130938, 163742, 174584, 184946, 245613, 261876, 277419, 327484, 369892, 414637, 491226, 523752, 554838, 654968, 676513, 739784, 829274, 982452, 1109676, 1243911, 1353026, 1658548, 1964904, 2029539, 2219352, 2487822, 2706052, 3317096, 4059078, 4975644, 5412104, 8118156, 9951288, 12853747, 16236312, 25707494, 38561241, 51414988, 77122482, 102829976, 154244964, 308489928]

約数ペア:

[(1, 308489928), (2, 154244964), (3, 102829976), (4, 77122482), (6, 51414988), (8, 38561241), (12, 25707494), (19, 16236312), (24, 12853747), (31, 9951288), (38, 8118156), (57, 5412104), (62, 4975644), (76, 4059078), (93, 3317096), (114, 2706052), (124, 2487822), (139, 2219352), (152, 2029539), (157, 1964904), (186, 1658548), (228, 1353026), (248, 1243911), (278, 1109676), (314, 982452), (372, 829274), (417, 739784), (456, 676513), (471, 654968), (556, 554838), (589, 523752), (628, 491226), (744, 414637), (834, 369892), (942, 327484), (1112, 277419), (1178, 261876), (1256, 245613), (1668, 184946), (1767, 174584), (1884, 163742), (2356, 130938), (2641, 116808), (2983, 103416), (3336, 92473), (3534, 87292), (3768, 81871), (4309, 71592), (4712, 65469), (4867, 63384), (5282, 58404), (5966, 51708), (7068, 43646), (7923, 38936), (8618, 35796), (8949, 34472), (9734, 31692), (10564, 29202), (11932, 25854), (12927, 23864), (14136, 21823), (14601, 21128), (15846, 19468), (17236, 17898)]