215042828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1327

約数の個数: 96

約数和(自身を含む): 517440000

約数和(自身を除く): 302397172

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 43, 44, 52, 77, 86, 91, 143, 154, 172, 182, 286, 301, 308, 364, 473, 559, 572, 602, 946, 1001, 1118, 1204, 1249, 1892, 2002, 2236, 2498, 3311, 3913, 4004, 4996, 6149, 6622, 7826, 8743, 12298, 13244, 13739, 15652, 16237, 17486, 24596, 27478, 32474, 34972, 43043, 53707, 54956, 64948, 86086, 96173, 107414, 113659, 172172, 178607, 192346, 214828, 227318, 357214, 375949, 384692, 454636, 590777, 698191, 714428, 751898, 1181554, 1250249, 1396382, 1503796, 2363108, 2500498, 2792764, 4135439, 4887337, 5000996, 7680101, 8270878, 9774674, 15360202, 16541756, 19549348, 30720404, 53760707, 107521414, 215042828]

約数ペア:

[(1, 215042828), (2, 107521414), (4, 53760707), (7, 30720404), (11, 19549348), (13, 16541756), (14, 15360202), (22, 9774674), (26, 8270878), (28, 7680101), (43, 5000996), (44, 4887337), (52, 4135439), (77, 2792764), (86, 2500498), (91, 2363108), (143, 1503796), (154, 1396382), (172, 1250249), (182, 1181554), (286, 751898), (301, 714428), (308, 698191), (364, 590777), (473, 454636), (559, 384692), (572, 375949), (602, 357214), (946, 227318), (1001, 214828), (1118, 192346), (1204, 178607), (1249, 172172), (1892, 113659), (2002, 107414), (2236, 96173), (2498, 86086), (3311, 64948), (3913, 54956), (4004, 53707), (4996, 43043), (6149, 34972), (6622, 32474), (7826, 27478), (8743, 24596), (12298, 17486), (13244, 16237), (13739, 15652)]