123720008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 250252800

約数和(自身を除く): 126532792

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 97, 124, 139, 148, 194, 248, 278, 296, 388, 556, 776, 1112, 1147, 2294, 3007, 3589, 4309, 4588, 5143, 6014, 7178, 8618, 9176, 10286, 12028, 13483, 14356, 17236, 20572, 24056, 26966, 28712, 34472, 41144, 53932, 107864, 111259, 159433, 222518, 318866, 417973, 445036, 498871, 637732, 835946, 890072, 997742, 1275464, 1671892, 1995484, 3343784, 3990968, 15465001, 30930002, 61860004, 123720008]

約数ペア:

[(1, 123720008), (2, 61860004), (4, 30930002), (8, 15465001), (31, 3990968), (37, 3343784), (62, 1995484), (74, 1671892), (97, 1275464), (124, 997742), (139, 890072), (148, 835946), (194, 637732), (248, 498871), (278, 445036), (296, 417973), (388, 318866), (556, 222518), (776, 159433), (1112, 111259), (1147, 107864), (2294, 53932), (3007, 41144), (3589, 34472), (4309, 28712), (4588, 26966), (5143, 24056), (6014, 20572), (7178, 17236), (8618, 14356), (9176, 13483), (10286, 12028)]