242993128

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 580608000

約数和(自身を除く): 337614872

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 53, 56, 62, 76, 106, 124, 133, 139, 152, 212, 217, 248, 266, 278, 371, 424, 434, 532, 556, 589, 742, 868, 973, 1007, 1064, 1112, 1178, 1484, 1643, 1736, 1946, 2014, 2356, 2641, 2968, 3286, 3892, 4028, 4123, 4309, 4712, 5282, 6572, 7049, 7367, 7784, 8056, 8246, 8618, 10564, 11501, 13144, 14098, 14734, 16492, 17236, 18487, 21128, 23002, 28196, 29468, 30163, 31217, 32984, 34472, 36974, 46004, 51569, 56392, 58936, 60326, 62434, 73948, 81871, 92008, 103138, 120652, 124868, 139973, 147896, 163742, 206276, 218519, 228377, 241304, 249736, 279946, 327484, 412552, 437038, 456754, 559892, 573097, 654968, 874076, 913508, 979811, 1119784, 1146194, 1598639, 1748152, 1827016, 1959622, 2292388, 3197278, 3919244, 4339163, 4584776, 6394556, 7838488, 8678326, 12789112, 17356652, 30374141, 34713304, 60748282, 121496564, 242993128]

約数ペア:

[(1, 242993128), (2, 121496564), (4, 60748282), (7, 34713304), (8, 30374141), (14, 17356652), (19, 12789112), (28, 8678326), (31, 7838488), (38, 6394556), (53, 4584776), (56, 4339163), (62, 3919244), (76, 3197278), (106, 2292388), (124, 1959622), (133, 1827016), (139, 1748152), (152, 1598639), (212, 1146194), (217, 1119784), (248, 979811), (266, 913508), (278, 874076), (371, 654968), (424, 573097), (434, 559892), (532, 456754), (556, 437038), (589, 412552), (742, 327484), (868, 279946), (973, 249736), (1007, 241304), (1064, 228377), (1112, 218519), (1178, 206276), (1484, 163742), (1643, 147896), (1736, 139973), (1946, 124868), (2014, 120652), (2356, 103138), (2641, 92008), (2968, 81871), (3286, 73948), (3892, 62434), (4028, 60326), (4123, 58936), (4309, 56392), (4712, 51569), (5282, 46004), (6572, 36974), (7049, 34472), (7367, 32984), (7784, 31217), (8056, 30163), (8246, 29468), (8618, 28196), (10564, 23002), (11501, 21128), (13144, 18487), (14098, 17236), (14734, 16492)]