280007238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{13523}}^1$

素因数の和:13581

約数の個数: 64

約数和(自身を含む): 701084160

約数和(自身を除く): 421076922

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 51, 58, 87, 102, 119, 174, 203, 238, 357, 406, 493, 609, 714, 986, 1218, 1479, 2958, 3451, 6902, 10353, 13523, 20706, 27046, 40569, 81138, 94661, 189322, 229891, 283983, 392167, 459782, 567966, 689673, 784334, 1176501, 1379346, 1609237, 2353002, 2745169, 3218474, 4827711, 5490338, 6666839, 8235507, 9655422, 13333678, 16471014, 20000517, 40001034, 46667873, 93335746, 140003619, 280007238]

約数ペア:

[(1, 280007238), (2, 140003619), (3, 93335746), (6, 46667873), (7, 40001034), (14, 20000517), (17, 16471014), (21, 13333678), (29, 9655422), (34, 8235507), (42, 6666839), (51, 5490338), (58, 4827711), (87, 3218474), (102, 2745169), (119, 2353002), (174, 1609237), (203, 1379346), (238, 1176501), (357, 784334), (406, 689673), (493, 567966), (609, 459782), (714, 392167), (986, 283983), (1218, 229891), (1479, 189322), (2958, 94661), (3451, 81138), (6902, 40569), (10353, 27046), (13523, 20706)]