399046384

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 899803520

約数和(自身を除く): 500757136

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 61, 62, 88, 109, 121, 122, 124, 176, 218, 242, 244, 248, 341, 436, 484, 488, 496, 671, 682, 872, 968, 976, 1199, 1342, 1364, 1744, 1891, 1936, 2398, 2684, 2728, 3379, 3751, 3782, 4796, 5368, 5456, 6649, 6758, 7381, 7502, 7564, 9592, 10736, 13189, 13298, 13516, 14762, 15004, 15128, 19184, 20801, 26378, 26596, 27032, 29524, 30008, 30256, 37169, 41602, 52756, 53192, 54064, 59048, 60016, 73139, 74338, 83204, 105512, 106384, 118096, 146278, 148676, 166408, 206119, 211024, 228811, 292556, 297352, 332816, 408859, 412238, 457622, 585112, 594704, 804529, 817718, 824476, 915244, 1170224, 1609058, 1635436, 1648952, 1830488, 2267309, 3218116, 3270872, 3297904, 3660976, 4534618, 6436232, 6541744, 9069236, 12872464, 18138472, 24940399, 36276944, 49880798, 99761596, 199523192, 399046384]

約数ペア:

[(1, 399046384), (2, 199523192), (4, 99761596), (8, 49880798), (11, 36276944), (16, 24940399), (22, 18138472), (31, 12872464), (44, 9069236), (61, 6541744), (62, 6436232), (88, 4534618), (109, 3660976), (121, 3297904), (122, 3270872), (124, 3218116), (176, 2267309), (218, 1830488), (242, 1648952), (244, 1635436), (248, 1609058), (341, 1170224), (436, 915244), (484, 824476), (488, 817718), (496, 804529), (671, 594704), (682, 585112), (872, 457622), (968, 412238), (976, 408859), (1199, 332816), (1342, 297352), (1364, 292556), (1744, 228811), (1891, 211024), (1936, 206119), (2398, 166408), (2684, 148676), (2728, 146278), (3379, 118096), (3751, 106384), (3782, 105512), (4796, 83204), (5368, 74338), (5456, 73139), (6649, 60016), (6758, 59048), (7381, 54064), (7502, 53192), (7564, 52756), (9592, 41602), (10736, 37169), (13189, 30256), (13298, 30008), (13516, 29524), (14762, 27032), (15004, 26596), (15128, 26378), (19184, 20801)]