169636712

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 408576000

約数和(自身を除く): 238939288

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 37, 38, 56, 62, 74, 76, 124, 133, 139, 148, 152, 217, 248, 259, 266, 278, 296, 434, 518, 532, 556, 589, 703, 868, 973, 1036, 1064, 1112, 1147, 1178, 1406, 1736, 1946, 2072, 2294, 2356, 2641, 2812, 3892, 4123, 4309, 4588, 4712, 4921, 5143, 5282, 5624, 7784, 8029, 8246, 8618, 9176, 9842, 10286, 10564, 16058, 16492, 17236, 18487, 19684, 20572, 21128, 21793, 30163, 32116, 32984, 34472, 36001, 36974, 39368, 41144, 43586, 60326, 64232, 72002, 73948, 81871, 87172, 97717, 120652, 144004, 147896, 152551, 159433, 163742, 174344, 195434, 241304, 288008, 305102, 318866, 327484, 390868, 573097, 610204, 637732, 654968, 684019, 781736, 1116031, 1146194, 1220408, 1275464, 1368038, 2232062, 2292388, 2736076, 3029227, 4464124, 4584776, 5472152, 6058454, 8928248, 12116908, 21204589, 24233816, 42409178, 84818356, 169636712]

約数ペア:

[(1, 169636712), (2, 84818356), (4, 42409178), (7, 24233816), (8, 21204589), (14, 12116908), (19, 8928248), (28, 6058454), (31, 5472152), (37, 4584776), (38, 4464124), (56, 3029227), (62, 2736076), (74, 2292388), (76, 2232062), (124, 1368038), (133, 1275464), (139, 1220408), (148, 1146194), (152, 1116031), (217, 781736), (248, 684019), (259, 654968), (266, 637732), (278, 610204), (296, 573097), (434, 390868), (518, 327484), (532, 318866), (556, 305102), (589, 288008), (703, 241304), (868, 195434), (973, 174344), (1036, 163742), (1064, 159433), (1112, 152551), (1147, 147896), (1178, 144004), (1406, 120652), (1736, 97717), (1946, 87172), (2072, 81871), (2294, 73948), (2356, 72002), (2641, 64232), (2812, 60326), (3892, 43586), (4123, 41144), (4309, 39368), (4588, 36974), (4712, 36001), (4921, 34472), (5143, 32984), (5282, 32116), (5624, 30163), (7784, 21793), (8029, 21128), (8246, 20572), (8618, 19684), (9176, 18487), (9842, 17236), (10286, 16492), (10564, 16058)]