1229204810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 2375308800

約数和(自身を除く): 1146103990

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 157, 178, 190, 314, 445, 463, 785, 890, 926, 1570, 1691, 2315, 2983, 3382, 4630, 5966, 8455, 8797, 13973, 14915, 16910, 17594, 27946, 29830, 41207, 43985, 69865, 72691, 82414, 87970, 139730, 145382, 206035, 265487, 363455, 412070, 530974, 726910, 782933, 1327435, 1381129, 1565866, 2654870, 2762258, 3914665, 6469499, 6905645, 7829330, 12938998, 13811290, 32347495, 64694990, 122920481, 245840962, 614602405, 1229204810]

約数ペア:

[(1, 1229204810), (2, 614602405), (5, 245840962), (10, 122920481), (19, 64694990), (38, 32347495), (89, 13811290), (95, 12938998), (157, 7829330), (178, 6905645), (190, 6469499), (314, 3914665), (445, 2762258), (463, 2654870), (785, 1565866), (890, 1381129), (926, 1327435), (1570, 782933), (1691, 726910), (2315, 530974), (2983, 412070), (3382, 363455), (4630, 265487), (5966, 206035), (8455, 145382), (8797, 139730), (13973, 87970), (14915, 82414), (16910, 72691), (17594, 69865), (27946, 43985), (29830, 41207)]