485383405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 712454400

約数和(自身を除く): 227070995

約数列:

[1, 5, 13, 17, 19, 61, 65, 85, 95, 221, 247, 305, 323, 379, 793, 1037, 1105, 1159, 1235, 1615, 1895, 3965, 4199, 4927, 5185, 5795, 6443, 7201, 13481, 15067, 19703, 20995, 23119, 24635, 32215, 36005, 67405, 75335, 83759, 93613, 98515, 115595, 122417, 256139, 300547, 393023, 418795, 439261, 468065, 612085, 1280695, 1502735, 1591421, 1965115, 2196305, 5109299, 5710393, 7467437, 7957105, 25546495, 28551965, 37337185, 97076681, 485383405]

約数ペア:

[(1, 485383405), (5, 97076681), (13, 37337185), (17, 28551965), (19, 25546495), (61, 7957105), (65, 7467437), (85, 5710393), (95, 5109299), (221, 2196305), (247, 1965115), (305, 1591421), (323, 1502735), (379, 1280695), (793, 612085), (1037, 468065), (1105, 439261), (1159, 418795), (1235, 393023), (1615, 300547), (1895, 256139), (3965, 122417), (4199, 115595), (4927, 98515), (5185, 93613), (5795, 83759), (6443, 75335), (7201, 67405), (13481, 36005), (15067, 32215), (19703, 24635), (20995, 23119)]