397499570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6997}}^1$

素因数の和:7059

約数の個数: 64

約数和(自身を含む): 846478080

約数和(自身を除く): 448978510

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 230, 247, 299, 437, 494, 598, 874, 1235, 1495, 2185, 2470, 2990, 4370, 5681, 6997, 11362, 13994, 28405, 34985, 56810, 69970, 90961, 132943, 160931, 181922, 265886, 321862, 454805, 664715, 804655, 909610, 1329430, 1609310, 1728259, 2092103, 3057689, 3456518, 4184206, 6115378, 8641295, 10460515, 15288445, 17282590, 20921030, 30576890, 39749957, 79499914, 198749785, 397499570]

約数ペア:

[(1, 397499570), (2, 198749785), (5, 79499914), (10, 39749957), (13, 30576890), (19, 20921030), (23, 17282590), (26, 15288445), (38, 10460515), (46, 8641295), (65, 6115378), (95, 4184206), (115, 3456518), (130, 3057689), (190, 2092103), (230, 1728259), (247, 1609310), (299, 1329430), (437, 909610), (494, 804655), (598, 664715), (874, 454805), (1235, 321862), (1495, 265886), (2185, 181922), (2470, 160931), (2990, 132943), (4370, 90961), (5681, 69970), (6997, 56810), (11362, 34985), (13994, 28405)]