685975368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1031

約数の個数: 128

約数和(自身を含む): 1947052800

約数和(自身を除く): 1261077432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 109, 138, 156, 184, 218, 276, 299, 312, 327, 436, 552, 598, 654, 872, 877, 897, 1196, 1308, 1417, 1754, 1794, 2392, 2507, 2616, 2631, 2834, 3508, 3588, 4251, 5014, 5262, 5668, 7016, 7176, 7521, 8502, 10028, 10524, 11336, 11401, 15042, 17004, 20056, 20171, 21048, 22802, 30084, 32591, 34008, 34203, 40342, 45604, 60168, 60513, 65182, 68406, 80684, 91208, 95593, 97773, 121026, 130364, 136812, 161368, 191186, 195546, 242052, 260728, 262223, 273624, 286779, 382372, 391092, 484104, 524446, 573558, 764744, 782184, 786669, 1048892, 1147116, 1242709, 1573338, 2097784, 2198639, 2294232, 2485418, 3146676, 3728127, 4397278, 4970836, 6293352, 6595917, 7456254, 8794556, 9941672, 13191834, 14912508, 17589112, 26383668, 28582307, 29825016, 52767336, 57164614, 85746921, 114329228, 171493842, 228658456, 342987684, 685975368]

約数ペア:

[(1, 685975368), (2, 342987684), (3, 228658456), (4, 171493842), (6, 114329228), (8, 85746921), (12, 57164614), (13, 52767336), (23, 29825016), (24, 28582307), (26, 26383668), (39, 17589112), (46, 14912508), (52, 13191834), (69, 9941672), (78, 8794556), (92, 7456254), (104, 6595917), (109, 6293352), (138, 4970836), (156, 4397278), (184, 3728127), (218, 3146676), (276, 2485418), (299, 2294232), (312, 2198639), (327, 2097784), (436, 1573338), (552, 1242709), (598, 1147116), (654, 1048892), (872, 786669), (877, 782184), (897, 764744), (1196, 573558), (1308, 524446), (1417, 484104), (1754, 391092), (1794, 382372), (2392, 286779), (2507, 273624), (2616, 262223), (2631, 260728), (2834, 242052), (3508, 195546), (3588, 191186), (4251, 161368), (5014, 136812), (5262, 130364), (5668, 121026), (7016, 97773), (7176, 95593), (7521, 91208), (8502, 80684), (10028, 68406), (10524, 65182), (11336, 60513), (11401, 60168), (15042, 45604), (17004, 40342), (20056, 34203), (20171, 34008), (21048, 32591), (22802, 30084)]