378439720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1787

約数の個数: 96

約数和(自身を含む): 952682400

約数和(自身を除く): 574242680

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 289, 323, 340, 380, 578, 646, 680, 760, 1156, 1292, 1445, 1615, 1723, 2312, 2584, 2890, 3230, 3446, 5491, 5780, 6460, 6892, 8615, 10982, 11560, 12920, 13784, 17230, 21964, 27455, 29291, 32737, 34460, 43928, 54910, 58582, 65474, 68920, 109820, 117164, 130948, 146455, 163685, 219640, 234328, 261896, 292910, 327370, 497947, 556529, 585820, 654740, 995894, 1113058, 1171640, 1309480, 1991788, 2226116, 2489735, 2782645, 3983576, 4452232, 4979470, 5565290, 9460993, 9958940, 11130580, 18921986, 19917880, 22261160, 37843972, 47304965, 75687944, 94609930, 189219860, 378439720]

約数ペア:

[(1, 378439720), (2, 189219860), (4, 94609930), (5, 75687944), (8, 47304965), (10, 37843972), (17, 22261160), (19, 19917880), (20, 18921986), (34, 11130580), (38, 9958940), (40, 9460993), (68, 5565290), (76, 4979470), (85, 4452232), (95, 3983576), (136, 2782645), (152, 2489735), (170, 2226116), (190, 1991788), (289, 1309480), (323, 1171640), (340, 1113058), (380, 995894), (578, 654740), (646, 585820), (680, 556529), (760, 497947), (1156, 327370), (1292, 292910), (1445, 261896), (1615, 234328), (1723, 219640), (2312, 163685), (2584, 146455), (2890, 130948), (3230, 117164), (3446, 109820), (5491, 68920), (5780, 65474), (6460, 58582), (6892, 54910), (8615, 43928), (10982, 34460), (11560, 32737), (12920, 29291), (13784, 27455), (17230, 21964)]