4220970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 11128320

約数和(自身を除く): 6907350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 137, 158, 195, 237, 274, 390, 395, 411, 474, 685, 790, 822, 1027, 1185, 1370, 1781, 2054, 2055, 2370, 3081, 3562, 4110, 5135, 5343, 6162, 8905, 10270, 10686, 10823, 15405, 17810, 21646, 26715, 30810, 32469, 53430, 54115, 64938, 108230, 140699, 162345, 281398, 324690, 422097, 703495, 844194, 1406990, 2110485, 4220970]

約数ペア:

[(1, 4220970), (2, 2110485), (3, 1406990), (5, 844194), (6, 703495), (10, 422097), (13, 324690), (15, 281398), (26, 162345), (30, 140699), (39, 108230), (65, 64938), (78, 54115), (79, 53430), (130, 32469), (137, 30810), (158, 26715), (195, 21646), (237, 17810), (274, 15405), (390, 10823), (395, 10686), (411, 10270), (474, 8905), (685, 6162), (790, 5343), (822, 5135), (1027, 4110), (1185, 3562), (1370, 3081), (1781, 2370), (2054, 2055)]