202012312520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1\times {\mathrm{1867}}^1$

素因数の和:2407

約数の個数: 128

約数和(自身を含む): 466593523200

約数和(自身を除く): 264581210680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 97, 158, 194, 316, 353, 388, 395, 485, 632, 706, 776, 790, 970, 1412, 1580, 1765, 1867, 1940, 2824, 3160, 3530, 3734, 3880, 7060, 7468, 7663, 9335, 14120, 14936, 15326, 18670, 27887, 30652, 34241, 37340, 38315, 55774, 61304, 68482, 74680, 76630, 111548, 136964, 139435, 147493, 153260, 171205, 181099, 223096, 273928, 278870, 294986, 306520, 342410, 362198, 557740, 589972, 659051, 684820, 724396, 737465, 905495, 1115480, 1179944, 1318102, 1369640, 1448792, 1474930, 1810990, 2636204, 2705039, 2949860, 3295255, 3621980, 5272408, 5410078, 5899720, 6590510, 7243960, 10820156, 13181020, 13525195, 14306821, 21640312, 26362040, 27050390, 28613642, 52065029, 54100780, 57227284, 63927947, 71534105, 104130058, 108201560, 114454568, 127855894, 143068210, 208260116, 255711788, 260325145, 286136420, 319639735, 416520232, 511423576, 520650290, 572272840, 639279470, 1041300580, 1278558940, 2082601160, 2557117880, 5050307813, 10100615626, 20201231252, 25251539065, 40402462504, 50503078130, 101006156260, 202012312520]

約数ペア:

[(1, 202012312520), (2, 101006156260), (4, 50503078130), (5, 40402462504), (8, 25251539065), (10, 20201231252), (20, 10100615626), (40, 5050307813), (79, 2557117880), (97, 2082601160), (158, 1278558940), (194, 1041300580), (316, 639279470), (353, 572272840), (388, 520650290), (395, 511423576), (485, 416520232), (632, 319639735), (706, 286136420), (776, 260325145), (790, 255711788), (970, 208260116), (1412, 143068210), (1580, 127855894), (1765, 114454568), (1867, 108201560), (1940, 104130058), (2824, 71534105), (3160, 63927947), (3530, 57227284), (3734, 54100780), (3880, 52065029), (7060, 28613642), (7468, 27050390), (7663, 26362040), (9335, 21640312), (14120, 14306821), (14936, 13525195), (15326, 13181020), (18670, 10820156), (27887, 7243960), (30652, 6590510), (34241, 5899720), (37340, 5410078), (38315, 5272408), (55774, 3621980), (61304, 3295255), (68482, 2949860), (74680, 2705039), (76630, 2636204), (111548, 1810990), (136964, 1474930), (139435, 1448792), (147493, 1369640), (153260, 1318102), (171205, 1179944), (181099, 1115480), (223096, 905495), (273928, 737465), (278870, 724396), (294986, 684820), (306520, 659051), (342410, 589972), (362198, 557740)]