219297890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 466608384

約数和(自身を除く): 247310494

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 227, 259, 370, 373, 454, 518, 746, 1135, 1295, 1589, 1865, 2270, 2590, 2611, 3178, 3730, 5222, 7945, 8399, 13055, 13801, 15890, 16798, 26110, 27602, 41995, 58793, 69005, 83990, 84671, 96607, 117586, 138010, 169342, 193214, 293965, 423355, 483035, 587930, 592697, 846710, 966070, 1185394, 2963485, 3132827, 5926970, 6265654, 15664135, 21929789, 31328270, 43859578, 109648945, 219297890]

約数ペア:

[(1, 219297890), (2, 109648945), (5, 43859578), (7, 31328270), (10, 21929789), (14, 15664135), (35, 6265654), (37, 5926970), (70, 3132827), (74, 2963485), (185, 1185394), (227, 966070), (259, 846710), (370, 592697), (373, 587930), (454, 483035), (518, 423355), (746, 293965), (1135, 193214), (1295, 169342), (1589, 138010), (1865, 117586), (2270, 96607), (2590, 84671), (2611, 83990), (3178, 69005), (3730, 58793), (5222, 41995), (7945, 27602), (8399, 26110), (13055, 16798), (13801, 15890)]